[INFO] fetching crate rtail 0.1.6...
[INFO] checking rtail-0.1.6 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate rtail 0.1.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rtail 0.1.6 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtail 0.1.6
[INFO] finished tweaking crates.io crate rtail 0.1.6
[INFO] tweaked toml for crates.io crate rtail 0.1.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rtail 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1134acfe0d0ec3634deb5befccde8604c0914571bd2bf6029739b3f818e6011d
[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" "1134acfe0d0ec3634deb5befccde8604c0914571bd2bf6029739b3f818e6011d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1134acfe0d0ec3634deb5befccde8604c0914571bd2bf6029739b3f818e6011d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1134acfe0d0ec3634deb5befccde8604c0914571bd2bf6029739b3f818e6011d", kill_on_drop: false }`
[INFO] [stdout] 1134acfe0d0ec3634deb5befccde8604c0914571bd2bf6029739b3f818e6011d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9f4f181e344b70fb4390de3d00def6a132579041226f6ac04eec3c7846c1c3c
[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" "c9f4f181e344b70fb4390de3d00def6a132579041226f6ac04eec3c7846c1c3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling curl v0.4.23
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.21
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking rtail v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `Command { std: "docker" "inspect" "c9f4f181e344b70fb4390de3d00def6a132579041226f6ac04eec3c7846c1c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f4f181e344b70fb4390de3d00def6a132579041226f6ac04eec3c7846c1c3c", kill_on_drop: false }`
[INFO] [stdout] c9f4f181e344b70fb4390de3d00def6a132579041226f6ac04eec3c7846c1c3c