[INFO] cloning repository https://github.com/Uriopass/cranelift_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Uriopass/cranelift_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUriopass%2Fcranelift_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUriopass%2Fcranelift_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cd3afb0676526299768944c7984e25f3329ea33
[INFO] checking Uriopass/cranelift_bug against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUriopass%2Fcranelift_bug" "/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/Uriopass/cranelift_bug on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Uriopass/cranelift_bug
[INFO] finished tweaking git repo https://github.com/Uriopass/cranelift_bug
[INFO] tweaked toml for git repo https://github.com/Uriopass/cranelift_bug written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Uriopass/cranelift_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded fetch_unroll v0.2.2
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded combine v3.8.1
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded clang-sys v1.0.3
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded combine v4.5.2
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded cpal v0.13.1
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded tar v0.4.32
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded oboe-sys v0.3.0
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded ureq v1.5.4
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded rodio v0.13.0
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eace3300d93592c92fc50551d4ba73ce84057da8b1b6ef49a7b1caefcef7cb69
[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" "eace3300d93592c92fc50551d4ba73ce84057da8b1b6ef49a7b1caefcef7cb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eace3300d93592c92fc50551d4ba73ce84057da8b1b6ef49a7b1caefcef7cb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eace3300d93592c92fc50551d4ba73ce84057da8b1b6ef49a7b1caefcef7cb69", kill_on_drop: false }`
[INFO] [stdout] eace3300d93592c92fc50551d4ba73ce84057da8b1b6ef49a7b1caefcef7cb69
[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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 437135aa04e9143d63c6b48845ad0d09db8efe03161d2010c984f3209f090e87
[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" "437135aa04e9143d63c6b48845ad0d09db8efe03161d2010c984f3209f090e87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]     Checking cranelift_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (a, b) = rodio::OutputStream::try_default().unwrap();
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (a, b) = rodio::OutputStream::try_default().unwrap();
[INFO] [stdout]   |          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "437135aa04e9143d63c6b48845ad0d09db8efe03161d2010c984f3209f090e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437135aa04e9143d63c6b48845ad0d09db8efe03161d2010c984f3209f090e87", kill_on_drop: false }`
[INFO] [stdout] 437135aa04e9143d63c6b48845ad0d09db8efe03161d2010c984f3209f090e87