[INFO] cloning repository https://github.com/Ruin0x11/adieu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ruin0x11/adieu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fadieu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fadieu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 827d8e83b2150cc2a7d4a5382211658fb701124e
[INFO] checking Ruin0x11/adieu against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuin0x11%2Fadieu" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ruin0x11/adieu on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ruin0x11/adieu
[INFO] finished tweaking git repo https://github.com/Ruin0x11/adieu
[INFO] tweaked toml for git repo https://github.com/Ruin0x11/adieu written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Ruin0x11/adieu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 889ac8fad093323b4fbe0ece26250e7fe9e99b5455620dc30746c21d8411fd45
[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" "889ac8fad093323b4fbe0ece26250e7fe9e99b5455620dc30746c21d8411fd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "889ac8fad093323b4fbe0ece26250e7fe9e99b5455620dc30746c21d8411fd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889ac8fad093323b4fbe0ece26250e7fe9e99b5455620dc30746c21d8411fd45", kill_on_drop: false }`
[INFO] [stdout] 889ac8fad093323b4fbe0ece26250e7fe9e99b5455620dc30746c21d8411fd45
[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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21cd4dfe37131022b21f52ea28600f918d9025e0cdee1e33bc6649c2a84d7aae
[INFO] running `Command { std: "docker" "start" "-a" "21cd4dfe37131022b21f52ea28600f918d9025e0cdee1e33bc6649c2a84d7aae", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lexpr v0.2.5
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking serde-lexpr v0.1.1
[INFO] [stderr]     Checking nom-trace v0.2.1
[INFO] [stderr]     Checking avg32 v0.1.0 (/opt/rustwide/workdir/avg32)
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> avg32/src/archive.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |         for (i, entry) in arc.entries.iter().enumerate() {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[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]     Checking adieu v0.1.0 (/opt/rustwide/workdir/adieu)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.39s
[INFO] running `Command { std: "docker" "inspect" "21cd4dfe37131022b21f52ea28600f918d9025e0cdee1e33bc6649c2a84d7aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cd4dfe37131022b21f52ea28600f918d9025e0cdee1e33bc6649c2a84d7aae", kill_on_drop: false }`
[INFO] [stdout] 21cd4dfe37131022b21f52ea28600f918d9025e0cdee1e33bc6649c2a84d7aae