[INFO] fetching crate grep-printer 0.1.6...
[INFO] checking grep-printer-0.1.6 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate grep-printer 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate grep-printer 0.1.6 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep-printer 0.1.6
[INFO] finished tweaking crates.io crate grep-printer 0.1.6
[INFO] tweaked toml for crates.io crate grep-printer 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e5691dfc61525c8a4d0f6966b2b284a069e3a28348d4fe657f7622394301d10
[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" "0e5691dfc61525c8a4d0f6966b2b284a069e3a28348d4fe657f7622394301d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e5691dfc61525c8a4d0f6966b2b284a069e3a28348d4fe657f7622394301d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e5691dfc61525c8a4d0f6966b2b284a069e3a28348d4fe657f7622394301d10", kill_on_drop: false }`
[INFO] [stdout] 0e5691dfc61525c8a4d0f6966b2b284a069e3a28348d4fe657f7622394301d10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 360b143b3d4fc8147969bf7963680925283ff79c1a30f936fa842caa140f53cd
[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" "360b143b3d4fc8147969bf7963680925283ff79c1a30f936fa842caa140f53cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking grep-matcher v0.1.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking grep-regex v0.1.9
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking grep-printer v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.02s
[INFO] running `Command { std: "docker" "inspect" "360b143b3d4fc8147969bf7963680925283ff79c1a30f936fa842caa140f53cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360b143b3d4fc8147969bf7963680925283ff79c1a30f936fa842caa140f53cd", kill_on_drop: false }`
[INFO] [stdout] 360b143b3d4fc8147969bf7963680925283ff79c1a30f936fa842caa140f53cd