[INFO] fetching crate jazz_bytecode 0.1.0...
[INFO] checking jazz_bytecode-0.1.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate jazz_bytecode 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate jazz_bytecode 0.1.0
[INFO] finished tweaking crates.io crate jazz_bytecode 0.1.0
[INFO] tweaked toml for crates.io crate jazz_bytecode 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jazz_bytecode 0.1.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdde477b7a0352229a31077e7691b085be91221508b6154e7eda5c3bdb40b2b2
[INFO] running `Command { std: "docker" "start" "-a" "cdde477b7a0352229a31077e7691b085be91221508b6154e7eda5c3bdb40b2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdde477b7a0352229a31077e7691b085be91221508b6154e7eda5c3bdb40b2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdde477b7a0352229a31077e7691b085be91221508b6154e7eda5c3bdb40b2b2", kill_on_drop: false }`
[INFO] [stdout] cdde477b7a0352229a31077e7691b085be91221508b6154e7eda5c3bdb40b2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab949b3890c2a43a09e90ac923b97564f0b8e45d6acdaeeb73bd3a8b32f1026
[INFO] running `Command { std: "docker" "start" "-a" "5ab949b3890c2a43a09e90ac923b97564f0b8e45d6acdaeeb73bd3a8b32f1026", kill_on_drop: false }`
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking jazz v0.2.2
[INFO] [stderr]     Checking jazz_bytecode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Size`
[INFO] [stdout]  --> src/assembler.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::opcode::{Opcode,Size};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parser.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let int = decode!(array;i32);
[INFO] [stdout]    |                           ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 23 -             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout] 23 +             i32::from_ne_bytes($arr)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parser.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let long = decode!(array;i64);
[INFO] [stdout]    |                            ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 23 -             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout] 23 +             i64::from_ne_bytes($arr)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:23:13
[INFO] [stdout]     |
[INFO] [stdout]  23 |             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/parser.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let float = decode!(array;f32);
[INFO] [stdout]     |                             ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: this warning originates in the macro `decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout]  23 -             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]  23 +             f32::from_ne_bytes($arr)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/assembler.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     self.code.extend_from_slice(&encode!(val;i32));
[INFO] [stdout]    |                                                  ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 14 -             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout] 14 +             i32::to_ne_bytes($v)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/assembler.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     self.code.extend_from_slice(&encode!(val;i64));
[INFO] [stdout]    |                                                  ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 14 -             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout] 14 +             i64::to_ne_bytes($v)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Size`
[INFO] [stdout]  --> src/assembler.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::opcode::{Opcode,Size};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jazz_bytecode::opcode::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jazz_bytecode::opcode::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jazz_bytecode::encode`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use jazz_bytecode::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jazz_bytecode::opcode::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jazz_bytecode::opcode::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jazz_bytecode::encode`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use jazz_bytecode::encode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parser.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let int = decode!(array;i32);
[INFO] [stdout]    |                           ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 23 -             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout] 23 +             i32::from_ne_bytes($arr)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/parser.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 let long = decode!(array;i64);
[INFO] [stdout]    |                            ------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 23 -             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout] 23 +             i64::from_ne_bytes($arr)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:23:13
[INFO] [stdout]     |
[INFO] [stdout]  23 |             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/parser.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 let float = decode!(array;f32);
[INFO] [stdout]     |                             ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: this warning originates in the macro `decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout]  23 -             ::std::mem::transmute::<[u8;::std::mem::size_of::<$t>()],$t>($arr)
[INFO] [stdout]  23 +             f32::from_ne_bytes($arr)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/assembler.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     self.code.extend_from_slice(&encode!(val;i32));
[INFO] [stdout]    |                                                  ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 14 -             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout] 14 +             i32::to_ne_bytes($v)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/lib.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/assembler.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 |                     self.code.extend_from_slice(&encode!(val;i64));
[INFO] [stdout]    |                                                  ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]    = note: this warning originates in the macro `encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 14 -             ::std::mem::transmute::<$t,[u8;::std::mem::size_of::<$t>()]>($v)
[INFO] [stdout] 14 +             i64::to_ne_bytes($v)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "5ab949b3890c2a43a09e90ac923b97564f0b8e45d6acdaeeb73bd3a8b32f1026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab949b3890c2a43a09e90ac923b97564f0b8e45d6acdaeeb73bd3a8b32f1026", kill_on_drop: false }`
[INFO] [stdout] 5ab949b3890c2a43a09e90ac923b97564f0b8e45d6acdaeeb73bd3a8b32f1026