[INFO] updating cached repository https://github.com/woodgear/tail-rust
[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] 7709a836a9541c4f0912f07f7c28d7f7b46290ce
[INFO] checking woodgear/tail-rust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Ftail-rust" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/tail-rust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/woodgear/tail-rust
[INFO] finished tweaking git repo https://github.com/woodgear/tail-rust
[INFO] tweaked toml for git repo https://github.com/woodgear/tail-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/woodgear/tail-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 96940c6fe4f6d2ec3507b5524c2cadba5e562b7932716670b816b9a8ff1bc4ef
[INFO] running `"docker" "start" "-a" "96940c6fe4f6d2ec3507b5524c2cadba5e562b7932716670b816b9a8ff1bc4ef"`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking notify v4.0.13
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking simplelog v0.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tail-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.71s
[INFO] running `"docker" "inspect" "96940c6fe4f6d2ec3507b5524c2cadba5e562b7932716670b816b9a8ff1bc4ef"`
[INFO] running `"docker" "rm" "-f" "96940c6fe4f6d2ec3507b5524c2cadba5e562b7932716670b816b9a8ff1bc4ef"`
[INFO] [stdout] 96940c6fe4f6d2ec3507b5524c2cadba5e562b7932716670b816b9a8ff1bc4ef