[INFO] updating cached repository https://github.com/Unary-Byte-Software/Composition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25cb7d75fc53dd108a2b47809b793fd45b1f096e
[INFO] testing Unary-Byte-Software/Composition against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnary-Byte-Software%2FComposition" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Unary-Byte-Software/Composition on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Unary-Byte-Software/Composition
[INFO] finished tweaking git repo https://github.com/Unary-Byte-Software/Composition
[INFO] tweaked toml for git repo https://github.com/Unary-Byte-Software/Composition written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Unary-Byte-Software/Composition already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbb65ff2d909a7b7bd013a3c35a097a48526bbbb1b241dbbcaf208fe222ce394
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbb65ff2d909a7b7bd013a3c35a097a48526bbbb1b241dbbcaf208fe222ce394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbb65ff2d909a7b7bd013a3c35a097a48526bbbb1b241dbbcaf208fe222ce394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbb65ff2d909a7b7bd013a3c35a097a48526bbbb1b241dbbcaf208fe222ce394", kill_on_drop: false }`
[INFO] [stdout] fbb65ff2d909a7b7bd013a3c35a097a48526bbbb1b241dbbcaf208fe222ce394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94dbd28195ceadf698c040abc09bd071821c38911bb4e17ea26729face7c7b49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "94dbd28195ceadf698c040abc09bd071821c38911bb4e17ea26729face7c7b49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling netbuf v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling radix64 v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling addr2line v0.12.2
[INFO] [stderr]    Compiling backtrace v0.3.49
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.6
[INFO] [stderr]    Compiling ozelot v0.9.0
[INFO] [stderr]    Compiling mojang-api v0.6.1
[INFO] [stderr]    Compiling Composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mojang_api::*`
[INFO] [stdout]   --> src/net.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use mojang_api::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ozelot::mojang::*`
[INFO] [stdout]   --> src/net.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use ozelot::mojang::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/net.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]   --> src/net.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |     static ref config: Config = { Config::from_file("composition.toml") };
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_len`
[INFO] [stdout]    --> src/net.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let packet_len = MCVarInt::from(packet_id.to_bytes().len() as i32 + 54i32);
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "94dbd28195ceadf698c040abc09bd071821c38911bb4e17ea26729face7c7b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94dbd28195ceadf698c040abc09bd071821c38911bb4e17ea26729face7c7b49", kill_on_drop: false }`
[INFO] [stdout] 94dbd28195ceadf698c040abc09bd071821c38911bb4e17ea26729face7c7b49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc15f4be967c8eb9c32cf40df112d61e47b23b4a5a83aed448d9881b76190367
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc15f4be967c8eb9c32cf40df112d61e47b23b4a5a83aed448d9881b76190367", kill_on_drop: false }`
[INFO] [stderr]    Compiling Composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mojang_api::*`
[INFO] [stdout]   --> src/net.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use mojang_api::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ozelot::mojang::*`
[INFO] [stdout]   --> src/net.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use ozelot::mojang::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]   --> src/net.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::thread::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]   --> src/net.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/main.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |     static ref config: Config = { Config::from_file("composition.toml") };
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet_len`
[INFO] [stdout]    --> src/net.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let packet_len = MCVarInt::from(packet_id.to_bytes().len() as i32 + 54i32);
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "bc15f4be967c8eb9c32cf40df112d61e47b23b4a5a83aed448d9881b76190367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc15f4be967c8eb9c32cf40df112d61e47b23b4a5a83aed448d9881b76190367", kill_on_drop: false }`
[INFO] [stdout] bc15f4be967c8eb9c32cf40df112d61e47b23b4a5a83aed448d9881b76190367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 56d662b8a9afae2004778d6df583fdd6697e433d3227c8390335308e08588ce0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56d662b8a9afae2004778d6df583fdd6697e433d3227c8390335308e08588ce0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `mojang_api::*`
[INFO] [stderr]   --> src/net.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use mojang_api::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ozelot::mojang::*`
[INFO] [stderr]   --> src/net.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use ozelot::mojang::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]   --> src/net.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::thread::sleep;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]   --> src/net.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stderr]    |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/main.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |     static ref config: Config = { Config::from_file("composition.toml") };
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `packet_len`
[INFO] [stderr]    --> src/net.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 let packet_len = MCVarInt::from(packet_id.to_bytes().len() as i32 + 54i32);
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet_len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Composition-d182e3fd8e27503d
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56d662b8a9afae2004778d6df583fdd6697e433d3227c8390335308e08588ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d662b8a9afae2004778d6df583fdd6697e433d3227c8390335308e08588ce0", kill_on_drop: false }`
[INFO] [stdout] 56d662b8a9afae2004778d6df583fdd6697e433d3227c8390335308e08588ce0