[INFO] updating cached repository https://github.com/vityafx/cargo-cook
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 137dff53ff57433ceef0654f8b8aac1ac9536e17
[INFO] checking vityafx/cargo-cook against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvityafx%2Fcargo-cook" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vityafx/cargo-cook on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vityafx/cargo-cook
[INFO] finished tweaking git repo https://github.com/vityafx/cargo-cook
[INFO] tweaked toml for git repo https://github.com/vityafx/cargo-cook written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vityafx/cargo-cook already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] d79db5591f82aac7f461b054f04a1cc0d9ca79381fc93904455298585c18904c
[INFO] running `"docker" "start" "-a" "d79db5591f82aac7f461b054f04a1cc0d9ca79381fc93904455298585c18904c"`
[INFO] [stderr]    Compiling syn v1.0.2
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking errno v0.2.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking xattr v0.2.1
[INFO] [stderr]     Checking rpassword v4.0.1
[INFO] [stderr]    Compiling quote v1.0.1
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]    Compiling libssh2-sys v0.2.7
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking ssh2 v0.3.3
[INFO] [stderr]     Checking cargo-cook v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `fs` is imported redundantly
[INFO] [stderr]   --> src/main.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::fs;
[INFO] [stderr]    |     ------- the item `fs` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 84 |     use std::fs;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `fs` is imported redundantly
[INFO] [stderr]    --> src/main.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 22  | use std::fs;
[INFO] [stderr]     |     ------- the item `fs` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 101 |     use std::fs;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `fs` is imported redundantly
[INFO] [stderr]   --> src/main.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::fs;
[INFO] [stderr]    |     ------- the item `fs` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 84 |     use std::fs;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `fs` is imported redundantly
[INFO] [stderr]    --> src/main.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 22  | use std::fs;
[INFO] [stderr]     |     ------- the item `fs` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 101 |     use std::fs;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.23s
[INFO] running `"docker" "inspect" "d79db5591f82aac7f461b054f04a1cc0d9ca79381fc93904455298585c18904c"`
[INFO] running `"docker" "rm" "-f" "d79db5591f82aac7f461b054f04a1cc0d9ca79381fc93904455298585c18904c"`
[INFO] [stdout] d79db5591f82aac7f461b054f04a1cc0d9ca79381fc93904455298585c18904c