[INFO] cloning repository exercism/rust-analyzer
[INFO] running `"git" "clone" "--bare" "git://github.com/exercism/rust-analyzer.git" "work/cache/sources/gh/exercism/rust-analyzer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/exercism/rust-analyzer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/exercism/rust-analyzer" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/exercism/rust-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/exercism/rust-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/exercism/rust-analyzer" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/exercism/rust-analyzer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/exercism/rust-analyzer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 082dcaa2ac3b1ea8a0fad248b89ec63f2b4d1c4f
[INFO] sha for GitHub repo exercism/rust-analyzer: 082dcaa2ac3b1ea8a0fad248b89ec63f2b4d1c4f
[INFO] validating manifest of exercism/rust-analyzer on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of exercism/rust-analyzer on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing exercism/rust-analyzer
[INFO] finished frobbing exercism/rust-analyzer
[INFO] frobbed toml for exercism/rust-analyzer written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/exercism/rust-analyzer/Cargo.toml
[INFO] started frobbing exercism/rust-analyzer
[INFO] finished frobbing exercism/rust-analyzer
[INFO] frobbed toml for exercism/rust-analyzer written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/exercism/rust-analyzer/Cargo.toml
[INFO] crate exercism/rust-analyzer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking exercism/rust-analyzer against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/exercism/rust-analyzer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a2674cb5adb849919367ed52c8f9d69cf584873fb05093fb8defe83f6500122
[INFO] running `"docker" "start" "-a" "7a2674cb5adb849919367ed52c8f9d69cf584873fb05093fb8defe83f6500122"`
[INFO] [stderr]     Checking proc-macro2 v0.4.27
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking quote v0.6.11
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking syn v0.15.30
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rust-analyzer v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.14s
[INFO] running `"docker" "inspect" "7a2674cb5adb849919367ed52c8f9d69cf584873fb05093fb8defe83f6500122"`
[INFO] running `"docker" "rm" "-f" "7a2674cb5adb849919367ed52c8f9d69cf584873fb05093fb8defe83f6500122"`
[INFO] [stdout] 7a2674cb5adb849919367ed52c8f9d69cf584873fb05093fb8defe83f6500122