[INFO] cloning repository https://github.com/michalmuskala/xref.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michalmuskala/xref.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalmuskala%2Fxref.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalmuskala%2Fxref.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d873f6fe2ec08d0731300b20fb8dcda1ef773f9
[INFO] checking michalmuskala/xref.rs against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichalmuskala%2Fxref.rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michalmuskala/xref.rs on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michalmuskala/xref.rs
[INFO] finished tweaking git repo https://github.com/michalmuskala/xref.rs
[INFO] tweaked toml for git repo https://github.com/michalmuskala/xref.rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/michalmuskala/xref.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded string-interner v0.12.1
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] [stderr]   Downloaded beam_file v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", 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] 0cf1754475fc29024ce464e8575fdd2fc4c2d7d44c60e3d343dfc795d58a6d8e
[INFO] running `Command { std: "docker" "start" "-a" "0cf1754475fc29024ce464e8575fdd2fc4c2d7d44c60e3d343dfc795d58a6d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cf1754475fc29024ce464e8575fdd2fc4c2d7d44c60e3d343dfc795d58a6d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf1754475fc29024ce464e8575fdd2fc4c2d7d44c60e3d343dfc795d58a6d8e", kill_on_drop: false }`
[INFO] [stdout] 0cf1754475fc29024ce464e8575fdd2fc4c2d7d44c60e3d343dfc795d58a6d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f67dfe33c0f42f3a5cf649c99e5599d75795439b8b284422290a8bde8f46608
[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" "8f67dfe33c0f42f3a5cf649c99e5599d75795439b8b284422290a8bde8f46608", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking string-interner v0.12.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking beam_file v0.2.4
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking xref v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AppDeps`
[INFO] [stdout]  --> src/analyzer.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{AppModules, AppDeps, Atom, Interner, Modules};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AppDeps`
[INFO] [stdout]  --> src/analyzer.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::types::{AppModules, AppDeps, Atom, Interner, Modules};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.17s
[INFO] running `Command { std: "docker" "inspect" "8f67dfe33c0f42f3a5cf649c99e5599d75795439b8b284422290a8bde8f46608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f67dfe33c0f42f3a5cf649c99e5599d75795439b8b284422290a8bde8f46608", kill_on_drop: false }`
[INFO] [stdout] 8f67dfe33c0f42f3a5cf649c99e5599d75795439b8b284422290a8bde8f46608