[INFO] cloning repository https://github.com/jmikkola/ikrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmikkola/ikrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmikkola%2Fikrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmikkola%2Fikrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e12d29bed3e5a9468a195a885f03dfbfcaa3c0c
[INFO] checking jmikkola/ikrs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmikkola%2Fikrs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmikkola/ikrs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmikkola/ikrs
[INFO] finished tweaking git repo https://github.com/jmikkola/ikrs
[INFO] tweaked toml for git repo https://github.com/jmikkola/ikrs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jmikkola/ikrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 0a9b2ea49d271ea3a0d1194645d50032c098bbdbaabb001e0723ade348a6c95d
[INFO] running `Command { std: "docker" "start" "-a" "0a9b2ea49d271ea3a0d1194645d50032c098bbdbaabb001e0723ade348a6c95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a9b2ea49d271ea3a0d1194645d50032c098bbdbaabb001e0723ade348a6c95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9b2ea49d271ea3a0d1194645d50032c098bbdbaabb001e0723ade348a6c95d", kill_on_drop: false }`
[INFO] [stdout] 0a9b2ea49d271ea3a0d1194645d50032c098bbdbaabb001e0723ade348a6c95d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 556f23dfb9149742eff7b3b6651665f5919db2b3bbb5671a7a8e8b943dc69575
[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" "556f23dfb9149742eff7b3b6651665f5919db2b3bbb5671a7a8e8b943dc69575", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking ikrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "556f23dfb9149742eff7b3b6651665f5919db2b3bbb5671a7a8e8b943dc69575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556f23dfb9149742eff7b3b6651665f5919db2b3bbb5671a7a8e8b943dc69575", kill_on_drop: false }`
[INFO] [stdout] 556f23dfb9149742eff7b3b6651665f5919db2b3bbb5671a7a8e8b943dc69575