[INFO] fetching crate mdt8 0.2.0...
[INFO] checking mdt8-0.2.0 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate mdt8 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mdt8 0.2.0 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdt8 0.2.0
[INFO] finished tweaking crates.io crate mdt8 0.2.0
[INFO] tweaked toml for crates.io crate mdt8 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mdt8 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a79d76b7e74e759fe3ec79636fa30bdf520f4d72d48c58e62e6ebacf3d6aef19
[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" "a79d76b7e74e759fe3ec79636fa30bdf520f4d72d48c58e62e6ebacf3d6aef19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a79d76b7e74e759fe3ec79636fa30bdf520f4d72d48c58e62e6ebacf3d6aef19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a79d76b7e74e759fe3ec79636fa30bdf520f4d72d48c58e62e6ebacf3d6aef19", kill_on_drop: false }`
[INFO] [stdout] a79d76b7e74e759fe3ec79636fa30bdf520f4d72d48c58e62e6ebacf3d6aef19
[INFO] running `Command { std: "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" "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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e16b8503c3f5621d387bb4e3463d8c43dbf89f9c4e0fcbc0d80c2d961229658
[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" "3e16b8503c3f5621d387bb4e3463d8c43dbf89f9c4e0fcbc0d80c2d961229658", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking mdt8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.96s
[INFO] running `Command { std: "docker" "inspect" "3e16b8503c3f5621d387bb4e3463d8c43dbf89f9c4e0fcbc0d80c2d961229658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e16b8503c3f5621d387bb4e3463d8c43dbf89f9c4e0fcbc0d80c2d961229658", kill_on_drop: false }`
[INFO] [stdout] 3e16b8503c3f5621d387bb4e3463d8c43dbf89f9c4e0fcbc0d80c2d961229658