[INFO] fetching crate mtcp-rs 0.1.11...
[INFO] checking mtcp-rs-0.1.11 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mtcp-rs 0.1.11 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mtcp-rs 0.1.11 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtcp-rs 0.1.11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mtcp-rs 0.1.11
[INFO] tweaked toml for crates.io crate mtcp-rs 0.1.11 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mtcp-rs 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spare_buffer v0.1.1
[INFO] [stderr]   Downloaded lazy_rc v0.1.3
[INFO] [stderr]   Downloaded ctrlc v3.2.5
[INFO] [stderr]   Downloaded dns-lookup v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe277151fcb5ce4fb892390d1f100de60377230b6924ed58a3659eafc45eb9cf
[INFO] running `Command { std: "docker" "start" "-a" "fe277151fcb5ce4fb892390d1f100de60377230b6924ed58a3659eafc45eb9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe277151fcb5ce4fb892390d1f100de60377230b6924ed58a3659eafc45eb9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe277151fcb5ce4fb892390d1f100de60377230b6924ed58a3659eafc45eb9cf", kill_on_drop: false }`
[INFO] [stdout] fe277151fcb5ce4fb892390d1f100de60377230b6924ed58a3659eafc45eb9cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81db6b71750a1641cf067e19a0d23fdeb8a71ad3cf1c9a34832ed20d4a70fe9b
[INFO] running `Command { std: "docker" "start" "-a" "81db6b71750a1641cf067e19a0d23fdeb8a71ad3cf1c9a34832ed20d4a70fe9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking spare_buffer v0.1.1
[INFO] [stderr]     Checking lazy_rc v0.1.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking dns-lookup v1.0.8
[INFO] [stderr]     Checking mtcp-rs v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ctrlc v3.2.5
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "81db6b71750a1641cf067e19a0d23fdeb8a71ad3cf1c9a34832ed20d4a70fe9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81db6b71750a1641cf067e19a0d23fdeb8a71ad3cf1c9a34832ed20d4a70fe9b", kill_on_drop: false }`
[INFO] [stdout] 81db6b71750a1641cf067e19a0d23fdeb8a71ad3cf1c9a34832ed20d4a70fe9b