[INFO] fetching crate minstd 0.9.4...
[INFO] checking minstd-0.9.4 against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] extracting crate minstd 0.9.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate minstd 0.9.4 on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minstd 0.9.4
[INFO] finished tweaking crates.io crate minstd 0.9.4
[INFO] tweaked toml for crates.io crate minstd 0.9.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/a3c5d9d17bb6621829564b1dddd25ba8d15573cb4c11265b67c0a5f1b1e7c2a3-init/work/work: no such file or directory
[INFO] checking minstd-0.9.4 against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] extracting crate minstd 0.9.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate minstd 0.9.4 on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minstd 0.9.4
[INFO] finished tweaking crates.io crate minstd 0.9.4
[INFO] tweaked toml for crates.io crate minstd 0.9.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8784c3deb088e4920f7f8225f001c1ee28dd87cb814637ced83e9791d07b33a0
[INFO] running `Command { std: "docker" "start" "-a" "8784c3deb088e4920f7f8225f001c1ee28dd87cb814637ced83e9791d07b33a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8784c3deb088e4920f7f8225f001c1ee28dd87cb814637ced83e9791d07b33a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8784c3deb088e4920f7f8225f001c1ee28dd87cb814637ced83e9791d07b33a0", kill_on_drop: false }`
[INFO] [stdout] 8784c3deb088e4920f7f8225f001c1ee28dd87cb814637ced83e9791d07b33a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3b0b47973581e353239fb5b8db84c4d4f6554f4fc70e25d7650bd92648431ad
[INFO] running `Command { std: "docker" "start" "-a" "b3b0b47973581e353239fb5b8db84c4d4f6554f4fc70e25d7650bd92648431ad", kill_on_drop: false }`
[INFO] [stderr]     Checking minstd v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "b3b0b47973581e353239fb5b8db84c4d4f6554f4fc70e25d7650bd92648431ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b0b47973581e353239fb5b8db84c4d4f6554f4fc70e25d7650bd92648431ad", kill_on_drop: false }`
[INFO] [stdout] b3b0b47973581e353239fb5b8db84c4d4f6554f4fc70e25d7650bd92648431ad