[INFO] fetching crate iridium 0.0.33...
[INFO] testing iridium-0.0.33 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate iridium 0.0.33 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate iridium 0.0.33 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iridium 0.0.33
[INFO] finished tweaking crates.io crate iridium 0.0.33
[INFO] tweaked toml for crates.io crate iridium 0.0.33 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2295b4ce697b75f2327b334652d3dbef151a9d7ebb6ed040f4655a4332b1c857
[INFO] running `Command { std: "docker" "start" "-a" "2295b4ce697b75f2327b334652d3dbef151a9d7ebb6ed040f4655a4332b1c857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2295b4ce697b75f2327b334652d3dbef151a9d7ebb6ed040f4655a4332b1c857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2295b4ce697b75f2327b334652d3dbef151a9d7ebb6ed040f4655a4332b1c857", kill_on_drop: false }`
[INFO] [stdout] 2295b4ce697b75f2327b334652d3dbef151a9d7ebb6ed040f4655a4332b1c857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 910b831335b71c250fe04d9e4a8ec07dbc7e48ace0ec1ee30de9ea2335f30994
[INFO] running `Command { std: "docker" "start" "-a" "910b831335b71c250fe04d9e4a8ec07dbc7e48ace0ec1ee30de9ea2335f30994", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling iridium v0.0.33 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/comment_parsers.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / /// Looks for a comment start
[INFO] [stdout] 5 | | /// Examples:
[INFO] [stdout]   | |_------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/directive_parsers.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// Will try to parse out any of the Directive forms
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/assembler/instruction_parsers.rs:235:1
[INFO] [stdout]     |
[INFO] [stdout] 235 | /// Will try to parse out any of the Instruction forms
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/label_parsers.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/label_parsers.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/operand_parsers.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / /// Parser for all numbers, which have to be prefaced with `#` in our assembly language:
[INFO] [stdout] 8 | | /// #100
[INFO] [stdout]   | |_-------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/operand_parsers.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / /// Parser for all floats, which have to be prefaced with `#` in our assembly language:
[INFO] [stdout] 31 | | /// #100.0
[INFO] [stdout]    | |_---------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeInfo`
[INFO] [stdout]   --> src/cluster/client.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cluster::{NodeInfo};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeAlias`
[INFO] [stdout]  --> src/cluster/manager.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cluster::{NodeAlias, NodeInfo};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/remote/client.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     buf.trim_right();
[INFO] [stdout]    |                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]    --> src/assembler/mod.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let register = i.get_register_number();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alias`
[INFO] [stdout]    --> src/cluster/client.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   ref alias,
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/client.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 if let Ok(mut hello) = IridiumMessage::hello(alias, &self.bind_port.clone().unwrap()) {
[INFO] [stdout]    |                           ----^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/server.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   let mut cmgr_lock = cmgr.read().unwrap();
[INFO] [stdout]    |                           ----^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/server.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut cmgr = connection_manager.clone();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/assembler/mod.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 wtr.write_i16::<LittleEndian>(value.unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/bin/iridium.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/iridium.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let mut vm = VM::new()
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/iridium.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let mut rx = repl.rx_pipe.take();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.39s
[INFO] running `Command { std: "docker" "inspect" "910b831335b71c250fe04d9e4a8ec07dbc7e48ace0ec1ee30de9ea2335f30994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910b831335b71c250fe04d9e4a8ec07dbc7e48ace0ec1ee30de9ea2335f30994", kill_on_drop: false }`
[INFO] [stdout] 910b831335b71c250fe04d9e4a8ec07dbc7e48ace0ec1ee30de9ea2335f30994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dbe4629159898525741e4c85d72248fcae00120803d7717c69ea1326433e572
[INFO] running `Command { std: "docker" "start" "-a" "0dbe4629159898525741e4c85d72248fcae00120803d7717c69ea1326433e572", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/comment_parsers.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / /// Looks for a comment start
[INFO] [stdout] 5 | | /// Examples:
[INFO] [stdout]   | |_------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/directive_parsers.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// Will try to parse out any of the Directive forms
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/assembler/instruction_parsers.rs:235:1
[INFO] [stdout]     |
[INFO] [stdout] 235 | /// Will try to parse out any of the Instruction forms
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/label_parsers.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/label_parsers.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/operand_parsers.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / /// Parser for all numbers, which have to be prefaced with `#` in our assembly language:
[INFO] [stdout] 8 | | /// #100
[INFO] [stdout]   | |_-------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/operand_parsers.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / /// Parser for all floats, which have to be prefaced with `#` in our assembly language:
[INFO] [stdout] 31 | | /// #100.0
[INFO] [stdout]    | |_---------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeInfo`
[INFO] [stdout]   --> src/cluster/client.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cluster::{NodeInfo};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeAlias`
[INFO] [stdout]  --> src/cluster/manager.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cluster::{NodeAlias, NodeInfo};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/remote/client.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     buf.trim_right();
[INFO] [stdout]    |                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]    --> src/assembler/mod.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let register = i.get_register_number();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alias`
[INFO] [stdout]    --> src/cluster/client.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   ref alias,
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/client.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 if let Ok(mut hello) = IridiumMessage::hello(alias, &self.bind_port.clone().unwrap()) {
[INFO] [stdout]    |                           ----^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/server.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   let mut cmgr_lock = cmgr.read().unwrap();
[INFO] [stdout]    |                           ----^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/server.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut cmgr = connection_manager.clone();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/assembler/mod.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 wtr.write_i16::<LittleEndian>(value.unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/bin/iridium.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/iridium.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let mut vm = VM::new()
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/iridium.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let mut rx = repl.rx_pipe.take();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling iridium v0.0.33 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/bin/iridium.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/iridium.rs:118:21
[INFO] [stdout]     |
[INFO] [stdout] 118 |                 let mut vm = VM::new()
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/iridium.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let mut rx = repl.rx_pipe.take();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/comment_parsers.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / /// Looks for a comment start
[INFO] [stdout] 5 | | /// Examples:
[INFO] [stdout]   | |_------------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/directive_parsers.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// Will try to parse out any of the Directive forms
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/assembler/instruction_parsers.rs:235:1
[INFO] [stdout]     |
[INFO] [stdout] 235 | /// Will try to parse out any of the Instruction forms
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/label_parsers.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/label_parsers.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/assembler/operand_parsers.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | / /// Parser for all numbers, which have to be prefaced with `#` in our assembly language:
[INFO] [stdout] 8 | | /// #100
[INFO] [stdout]   | |_-------^
[INFO] [stdout]   |   |
[INFO] [stdout]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]   |
[INFO] [stdout]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/assembler/operand_parsers.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / /// Parser for all floats, which have to be prefaced with `#` in our assembly language:
[INFO] [stdout] 31 | | /// #100.0
[INFO] [stdout]    | |_---------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeInfo`
[INFO] [stdout]   --> src/cluster/client.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use cluster::{NodeInfo};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NodeAlias`
[INFO] [stdout]  --> src/cluster/manager.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cluster::{NodeAlias, NodeInfo};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/remote/client.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     buf.trim_right();
[INFO] [stdout]    |                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `register`
[INFO] [stdout]    --> src/assembler/mod.rs:132:21
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let register = i.get_register_number();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alias`
[INFO] [stdout]    --> src/cluster/client.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   ref alias,
[INFO] [stdout]     |                       ^^^^^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/client.rs:54:27
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 if let Ok(mut hello) = IridiumMessage::hello(alias, &self.bind_port.clone().unwrap()) {
[INFO] [stdout]    |                           ----^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/server.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   let mut cmgr_lock = cmgr.read().unwrap();
[INFO] [stdout]    |                           ----^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cluster/server.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let mut cmgr = connection_manager.clone();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/assembler/mod.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |                 wtr.write_i16::<LittleEndian>(value.unwrap());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.29s
[INFO] running `Command { std: "docker" "inspect" "0dbe4629159898525741e4c85d72248fcae00120803d7717c69ea1326433e572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dbe4629159898525741e4c85d72248fcae00120803d7717c69ea1326433e572", kill_on_drop: false }`
[INFO] [stdout] 0dbe4629159898525741e4c85d72248fcae00120803d7717c69ea1326433e572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e03ffdedb3b0385be7e18044c96f608d872027d51e6e78c311c8464935043bda
[INFO] running `Command { std: "docker" "start" "-a" "e03ffdedb3b0385be7e18044c96f608d872027d51e6e78c311c8464935043bda", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/assembler/comment_parsers.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | / /// Looks for a comment start
[INFO] [stderr] 5 | | /// Examples:
[INFO] [stderr]   | |_------------^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/assembler/directive_parsers.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | /// Will try to parse out any of the Directive forms
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/assembler/instruction_parsers.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | /// Will try to parse out any of the Instruction forms
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/assembler/label_parsers.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/assembler/label_parsers.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | /// Looks for a user-defined label, such as `label1:`
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]  --> src/assembler/operand_parsers.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | / /// Parser for all numbers, which have to be prefaced with `#` in our assembly language:
[INFO] [stderr] 8 | | /// #100
[INFO] [stderr]   | |_-------^
[INFO] [stderr]   |   |
[INFO] [stderr]   |   rustdoc does not generate documentation for macro invocations
[INFO] [stderr]   |
[INFO] [stderr]   = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/assembler/operand_parsers.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | / /// Parser for all floats, which have to be prefaced with `#` in our assembly language:
[INFO] [stderr] 31 | | /// #100.0
[INFO] [stderr]    | |_---------^
[INFO] [stderr]    |   |
[INFO] [stderr]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NodeInfo`
[INFO] [stderr]   --> src/cluster/client.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use cluster::{NodeInfo};
[INFO] [stderr]    |               ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NodeAlias`
[INFO] [stderr]  --> src/cluster/manager.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use cluster::{NodeAlias, NodeInfo};
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/remote/client.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                     buf.trim_right();
[INFO] [stderr]    |                         ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `register`
[INFO] [stderr]    --> src/assembler/mod.rs:132:21
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 let register = i.get_register_number();
[INFO] [stderr]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_register`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `alias`
[INFO] [stderr]    --> src/cluster/client.rs:183:29
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   ref alias,
[INFO] [stderr]     |                       ^^^^^^^^^ help: try ignoring the field: `alias: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cluster/client.rs:54:27
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 if let Ok(mut hello) = IridiumMessage::hello(alias, &self.bind_port.clone().unwrap()) {
[INFO] [stderr]    |                           ----^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cluster/server.rs:35:33
[INFO] [stderr]    |
[INFO] [stderr] 35 | ...                   let mut cmgr_lock = cmgr.read().unwrap();
[INFO] [stderr]    |                           ----^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cluster/server.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut cmgr = connection_manager.clone();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/assembler/mod.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 wtr.write_i16::<LittleEndian>(value.unwrap());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `iridium` (lib) generated 16 warnings
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/bin/iridium.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/iridium.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 let mut vm = VM::new()
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/iridium.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let mut rx = repl.rx_pipe.take();
[INFO] [stderr]     |                     ----^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `iridium` (bin "iridium") generated 3 warnings
[INFO] [stderr] warning: `iridium` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr] warning: `iridium` (bin "iridium" test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iridium-1d936f49c14a2d9e)
[INFO] [stdout] 
[INFO] [stdout] running 77 tests
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_cloop ... ok
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_instruction_form_one ... ok
[INFO] [stdout] test assembler::label_parsers::tests::test_parse_label_declaration ... ok
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_instruction_form_three ... ok
[INFO] [stdout] test assembler::label_parsers::tests::test_parse_label_usage ... ok
[INFO] [stdout] test assembler::operand_parsers::tests::test_parse_float_operand ... ok
[INFO] [stdout] test assembler::operand_parsers::tests::test_parse_string_operand ... ok
[INFO] [stdout] test assembler::operand_parsers::tests::test_parse_integer_operand ... ok
[INFO] [stdout] test assembler::register_parsers::tests::test_parse_register ... ok
[INFO] [stdout] test assembler::tests::test_bad_ro_data ... ok
[INFO] [stdout] test assembler::tests::test_ro_data_asciiz ... ok
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_instruction_with_comment_two ... ok
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_instruction_form_one_with_label ... ok
[INFO] [stdout] test assembler::directive_parsers::tests::test_parser_directive ... ok
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_instruction_with_comment_one ... ok
[INFO] [stdout] test assembler::program_parsers::tests::test_program_to_bytes ... ok
[INFO] [stdout] test assembler::program_parsers::tests::test_parse_program ... ok
[INFO] [stdout] test assembler::instruction_parsers::tests::test_parse_instruction_form_two ... ok
[INFO] [stdout] test assembler::tests::test_code_start_offset_written ... ok
[INFO] [stdout] test assembler::directive_parsers::tests::test_string_directive ... ok
[INFO] [stdout] test assembler::opcode_parsers::tests::test_opcode ... ok
[INFO] [stdout] test instruction::tests::test_str_to_opcode ... ok
[INFO] [stdout] test assembler::tests::test_ro_data_i32 ... ok
[INFO] [stdout] test assembler::tests::test_first_phase_no_segment ... ok
[INFO] [stdout] test assembler::tests::test_symbol_table ... ok
[INFO] [stdout] test scheduler::tests::test_make_scheduler ... ok
[INFO] [stdout] test instruction::tests::test_int_to_opcode ... ok
[INFO] [stdout] test instruction::tests::test_create_instruction ... ok
[INFO] [stdout] test instruction::tests::test_create_hlt ... ok
[INFO] [stdout] test assembler::program_parsers::tests::test_complete_program ... ok
[INFO] [stdout] test vm::tests::test_setm_opcode ... ok
[INFO] [stdout] test vm::tests::test_shl_opcode ... ok
[INFO] [stdout] test vm::tests::test_load_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_shr_opcode ... ok
[INFO] [stdout] test vm::tests::test_lte_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_sub_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_sub_opcode ... ok
[INFO] [stdout] test vm::tests::test_xor_opcode ... ok
[INFO] [stdout] test vm::tests::test_lte_opcode ... ok
[INFO] [stdout] test vm::tests::test_neq_opcode ... ok
[INFO] [stdout] test vm::tests::test_jmpe_opcode ... ok
[INFO] [stdout] test vm::tests::test_not_opcode ... ok
[INFO] [stdout] test vm::tests::test_load_opcode ... ok
[INFO] [stdout] test vm::tests::test_lui_opcode ... ok
[INFO] [stdout] test vm::tests::test_mul_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_lt_opcode ... ok
[INFO] [stdout] test vm::tests::test_or_opcode ... ok
[INFO] [stdout] test vm::tests::test_mul_opcode ... ok
[INFO] [stdout] test vm::tests::test_eq_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_div_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_and_opcode ... ok
[INFO] [stdout] test vm::tests::test_igl_opcode ... ok
[INFO] [stdout] test assembler::tests::test_assemble_program ... ok
[INFO] [stdout] test vm::tests::test_gte_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_create_vm ... ok
[INFO] [stdout] test vm::tests::test_gt_opcode ... ok
[INFO] [stdout] test vm::tests::test_cloop_opcode ... ok
[INFO] [stdout] test vm::tests::test_aloc_opcode ... ok
[INFO] [stdout] test vm::tests::test_add_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_gte_opcode ... ok
[INFO] [stdout] test vm::tests::test_jmp_opcode ... ok
[INFO] [stdout] test vm::tests::test_gt_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_loadm_opcode ... ok
[INFO] [stdout] test assembler::tests::test_first_phase_inside_segment ... ok
[INFO] [stdout] test vm::tests::test_neq_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_jmpb_opcode ... ok
[INFO] [stdout] test vm::tests::test_pop_opcode ... ok
[INFO] [stdout] test vm::tests::test_prts_opcode ... ok
[INFO] [stdout] test vm::tests::test_lt_floating_point_opcode ... ok
[INFO] [stdout] test vm::tests::test_jmpf_opcode ... ok
[INFO] [stdout] test vm::tests::test_add_opcode ... ok
[INFO] [stdout] test vm::tests::test_push_opcode ... ok
[INFO] [stdout] test vm::tests::test_hlt_opcode ... ok
[INFO] [stdout] test vm::tests::test_div_opcode ... ok
[INFO] [stdout] test vm::tests::test_eq_opcode ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iridium-2f5eb94e73a52fe3)
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-4c66bc9ae07f1eb7)
[INFO] [stdout] test assembler::program_parsers::tests::test_parse_load_greater_than_i16 ... ok
[INFO] [stdout] test assembler::program_parsers::tests::test_parse_cloop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 77 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests iridium
[INFO] [stdout] test create_vm ... ok
[INFO] [stdout] test test_hlt ... ok
[INFO] [stdout] test test_inc_loop ... ok
[INFO] [stdout] test test_call_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e03ffdedb3b0385be7e18044c96f608d872027d51e6e78c311c8464935043bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03ffdedb3b0385be7e18044c96f608d872027d51e6e78c311c8464935043bda", kill_on_drop: false }`
[INFO] [stdout] e03ffdedb3b0385be7e18044c96f608d872027d51e6e78c311c8464935043bda
