[INFO] fetching crate monitor-switch 0.2.0...
[INFO] checking monitor-switch-0.2.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate monitor-switch 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate monitor-switch 0.2.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate monitor-switch 0.2.0
[INFO] finished tweaking crates.io crate monitor-switch 0.2.0
[INFO] tweaked toml for crates.io crate monitor-switch 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] fcfbb91fa5923035c064ab6ee70355ed7d37ece2329762ba20b60fd8ea1b7069
[INFO] running `Command { std: "docker" "start" "-a" "fcfbb91fa5923035c064ab6ee70355ed7d37ece2329762ba20b60fd8ea1b7069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfbb91fa5923035c064ab6ee70355ed7d37ece2329762ba20b60fd8ea1b7069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfbb91fa5923035c064ab6ee70355ed7d37ece2329762ba20b60fd8ea1b7069", kill_on_drop: false }`
[INFO] [stdout] fcfbb91fa5923035c064ab6ee70355ed7d37ece2329762ba20b60fd8ea1b7069
[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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1d2304d28e08bf7d312d491456b18779f741a9a931e06e07a2d142a912c218d
[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" "d1d2304d28e08bf7d312d491456b18779f741a9a931e06e07a2d142a912c218d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking enum_derive v0.1.7
[INFO] [stderr]     Checking macro-attr v0.2.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking edid v0.2.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking ddc-hi v0.1.3
[INFO] [stderr]     Checking monitor-switch v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.13s
[INFO] running `Command { std: "docker" "inspect" "d1d2304d28e08bf7d312d491456b18779f741a9a931e06e07a2d142a912c218d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d2304d28e08bf7d312d491456b18779f741a9a931e06e07a2d142a912c218d", kill_on_drop: false }`
[INFO] [stdout] d1d2304d28e08bf7d312d491456b18779f741a9a931e06e07a2d142a912c218d