[INFO] fetching crate witx 0.8.6...
[INFO] checking witx-0.8.6 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate witx 0.8.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate witx 0.8.6 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witx 0.8.6
[INFO] finished tweaking crates.io crate witx 0.8.6
[INFO] tweaked toml for crates.io crate witx 0.8.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate witx 0.8.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a1b91387bb3bb5caae45ecfa8c55b4311243c9c553d21a9288d745a02a9a4ae
[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" "6a1b91387bb3bb5caae45ecfa8c55b4311243c9c553d21a9288d745a02a9a4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1b91387bb3bb5caae45ecfa8c55b4311243c9c553d21a9288d745a02a9a4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1b91387bb3bb5caae45ecfa8c55b4311243c9c553d21a9288d745a02a9a4ae", kill_on_drop: false }`
[INFO] [stdout] 6a1b91387bb3bb5caae45ecfa8c55b4311243c9c553d21a9288d745a02a9a4ae
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0543b2a76a20e4b4161cdbfb0abccfd3dcf1569a348ff2b6c9ecf97449f364e9
[INFO] running `Command { std: "docker" "start" "-a" "0543b2a76a20e4b4161cdbfb0abccfd3dcf1569a348ff2b6c9ecf97449f364e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking wast v20.0.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking witx v0.8.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.11s
[INFO] running `Command { std: "docker" "inspect" "0543b2a76a20e4b4161cdbfb0abccfd3dcf1569a348ff2b6c9ecf97449f364e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0543b2a76a20e4b4161cdbfb0abccfd3dcf1569a348ff2b6c9ecf97449f364e9", kill_on_drop: false }`
[INFO] [stdout] 0543b2a76a20e4b4161cdbfb0abccfd3dcf1569a348ff2b6c9ecf97449f364e9