[INFO] cloning repository https://github.com/yeahnoob/book_iapp_q02
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yeahnoob/book_iapp_q02" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeahnoob%2Fbook_iapp_q02", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeahnoob%2Fbook_iapp_q02'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37ac2b2db4fe8ec3eb1827880f20b0f3eb5c84f5
[INFO] checking yeahnoob/book_iapp_q02 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeahnoob%2Fbook_iapp_q02" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yeahnoob/book_iapp_q02 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yeahnoob/book_iapp_q02
[INFO] finished tweaking git repo https://github.com/yeahnoob/book_iapp_q02
[INFO] tweaked toml for git repo https://github.com/yeahnoob/book_iapp_q02 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yeahnoob/book_iapp_q02 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add5546ac2b6500463ba366d740ad06a2ef81ea481f4bf9253a2cf1b0b2c9fa7
[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" "add5546ac2b6500463ba366d740ad06a2ef81ea481f4bf9253a2cf1b0b2c9fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add5546ac2b6500463ba366d740ad06a2ef81ea481f4bf9253a2cf1b0b2c9fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add5546ac2b6500463ba366d740ad06a2ef81ea481f4bf9253a2cf1b0b2c9fa7", kill_on_drop: false }`
[INFO] [stdout] add5546ac2b6500463ba366d740ad06a2ef81ea481f4bf9253a2cf1b0b2c9fa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be87e7346bd01840e3ce2572b5941e3f7ce5bf19de1cc2215b67134061c8522c
[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" "be87e7346bd01840e3ce2572b5941e3f7ce5bf19de1cc2215b67134061c8522c", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking rcalc v0.1.2
[INFO] [stderr]     Checking book_iapp_q02 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "be87e7346bd01840e3ce2572b5941e3f7ce5bf19de1cc2215b67134061c8522c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be87e7346bd01840e3ce2572b5941e3f7ce5bf19de1cc2215b67134061c8522c", kill_on_drop: false }`
[INFO] [stdout] be87e7346bd01840e3ce2572b5941e3f7ce5bf19de1cc2215b67134061c8522c