[INFO] fetching crate cargo-osha 0.1.1...
[INFO] checking cargo-osha-0.1.1 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate cargo-osha 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cargo-osha 0.1.1 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cargo-osha 0.1.1
[INFO] finished tweaking crates.io crate cargo-osha 0.1.1
[INFO] tweaked toml for crates.io crate cargo-osha 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08ca0a221ab307125bf0c727add6143a0d20d5a3cfd360da8d6bf8f733d70d0c
[INFO] running `"docker" "start" "-a" "08ca0a221ab307125bf0c727add6143a0d20d5a3cfd360da8d6bf8f733d70d0c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]     Checking cargo-osha v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let a = 10;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | unsafe fn foo() {
[INFO] [stderr]    | --------------- because it's nested under this `unsafe` fn
[INFO] [stderr] 12 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/main.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | unsafe fn foo() {
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let a = 10;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | unsafe fn foo() {
[INFO] [stderr]    | --------------- because it's nested under this `unsafe` fn
[INFO] [stderr] 12 |     unsafe {
[INFO] [stderr]    |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `foo`
[INFO] [stderr]   --> src/main.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | unsafe fn foo() {
[INFO] [stderr]    |           ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `"docker" "inspect" "08ca0a221ab307125bf0c727add6143a0d20d5a3cfd360da8d6bf8f733d70d0c"`
[INFO] running `"docker" "rm" "-f" "08ca0a221ab307125bf0c727add6143a0d20d5a3cfd360da8d6bf8f733d70d0c"`
[INFO] [stdout] 08ca0a221ab307125bf0c727add6143a0d20d5a3cfd360da8d6bf8f733d70d0c