[INFO] fetching crate conv 0.3.3...
[INFO] checking conv-0.3.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate conv 0.3.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate conv 0.3.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conv 0.3.3
[INFO] finished tweaking crates.io crate conv 0.3.3
[INFO] tweaked toml for crates.io crate conv 0.3.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ce199fcc9ebaec1ea6d8d1e36da7eaa0f0390e38e42bb813c91784adb0fd0d6
[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" "3ce199fcc9ebaec1ea6d8d1e36da7eaa0f0390e38e42bb813c91784adb0fd0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce199fcc9ebaec1ea6d8d1e36da7eaa0f0390e38e42bb813c91784adb0fd0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce199fcc9ebaec1ea6d8d1e36da7eaa0f0390e38e42bb813c91784adb0fd0d6", kill_on_drop: false }`
[INFO] [stdout] 3ce199fcc9ebaec1ea6d8d1e36da7eaa0f0390e38e42bb813c91784adb0fd0d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ad6531045817dd000f7420e4abe5dda73648f5ad5ca946ffdc1022b7ea76a4
[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" "00ad6531045817dd000f7420e4abe5dda73648f5ad5ca946ffdc1022b7ea76a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking conv v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking quickcheck v0.2.24
[INFO] [stdout] warning: unused macro definition: `SL`
[INFO] [stdout]  --> tests/util/mod.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! SL {
[INFO] [stdout]   |              ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `as_expr`
[INFO] [stdout]  --> tests/util/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | macro_rules! as_expr {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `check`
[INFO] [stdout]  --> tests/util/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! check {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `for_bitness`
[INFO] [stdout]    --> tests/util/mod.rs:491:14
[INFO] [stdout]     |
[INFO] [stdout] 491 | macro_rules! for_bitness {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `SL`
[INFO] [stdout]  --> tests/util/mod.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! SL {
[INFO] [stdout]   |              ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `check`
[INFO] [stdout]  --> tests/util/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! check {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/derive_try_from.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate conv;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `as_expr`
[INFO] [stdout]  --> tests/util/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | macro_rules! as_expr {
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `for_bitness`
[INFO] [stdout]    --> tests/util/mod.rs:491:14
[INFO] [stdout]     |
[INFO] [stdout] 491 | macro_rules! for_bitness {
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "00ad6531045817dd000f7420e4abe5dda73648f5ad5ca946ffdc1022b7ea76a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ad6531045817dd000f7420e4abe5dda73648f5ad5ca946ffdc1022b7ea76a4", kill_on_drop: false }`
[INFO] [stdout] 00ad6531045817dd000f7420e4abe5dda73648f5ad5ca946ffdc1022b7ea76a4