[INFO] fetching crate mining-scheduler 0.2.0...
[INFO] checking mining-scheduler-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mining-scheduler 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mining-scheduler 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mining-scheduler 0.2.0
[INFO] finished tweaking crates.io crate mining-scheduler 0.2.0
[INFO] tweaked toml for crates.io crate mining-scheduler 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mining-scheduler 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysinfo v0.16.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db28063a038bc79af1efe753fc7c275130e00eef7e40a71f1ba669fa4c7789cc
[INFO] running `Command { std: "docker" "start" "-a" "db28063a038bc79af1efe753fc7c275130e00eef7e40a71f1ba669fa4c7789cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db28063a038bc79af1efe753fc7c275130e00eef7e40a71f1ba669fa4c7789cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db28063a038bc79af1efe753fc7c275130e00eef7e40a71f1ba669fa4c7789cc", kill_on_drop: false }`
[INFO] [stdout] db28063a038bc79af1efe753fc7c275130e00eef7e40a71f1ba669fa4c7789cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9706c31146f4ca26c0be6a99ae17f6f55b019efcb3084d8e4f7f1703330b239
[INFO] running `Command { std: "docker" "start" "-a" "b9706c31146f4ca26c0be6a99ae17f6f55b019efcb3084d8e4f7f1703330b239", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling sysinfo v0.16.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking mining-scheduler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "b9706c31146f4ca26c0be6a99ae17f6f55b019efcb3084d8e4f7f1703330b239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9706c31146f4ca26c0be6a99ae17f6f55b019efcb3084d8e4f7f1703330b239", kill_on_drop: false }`
[INFO] [stdout] b9706c31146f4ca26c0be6a99ae17f6f55b019efcb3084d8e4f7f1703330b239