[INFO] fetching crate k-cache 0.1.1...
[INFO] checking k-cache-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate k-cache 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate k-cache 0.1.1 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 k-cache 0.1.1
[INFO] finished tweaking crates.io crate k-cache 0.1.1
[INFO] tweaked toml for crates.io crate k-cache 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.42.0 (latest: v0.59.0)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.6)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded k-lock v0.2.5
[INFO] [stderr]   Downloaded atomic-wait v1.1.0
[INFO] [stderr]   Downloaded readme-rustdocifier v0.1.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6eb641b118ceb0e68ae4c167e9e4159d831f60257183108c696e3145350a4d
[INFO] running `Command { std: "docker" "start" "-a" "1a6eb641b118ceb0e68ae4c167e9e4159d831f60257183108c696e3145350a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6eb641b118ceb0e68ae4c167e9e4159d831f60257183108c696e3145350a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6eb641b118ceb0e68ae4c167e9e4159d831f60257183108c696e3145350a4d", kill_on_drop: false }`
[INFO] [stdout] 1a6eb641b118ceb0e68ae4c167e9e4159d831f60257183108c696e3145350a4d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0372723dfed0e5e74a0c758dbc1f3da8bc316021dc2994fc5ac33099d7b7f484
[INFO] running `Command { std: "docker" "start" "-a" "0372723dfed0e5e74a0c758dbc1f3da8bc316021dc2994fc5ac33099d7b7f484", kill_on_drop: false }`
[INFO] [stderr]    Compiling readme-rustdocifier v0.1.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking atomic-wait v1.1.0
[INFO] [stderr]    Compiling k-lock v0.2.5
[INFO] [stderr]     Checking k-cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "0372723dfed0e5e74a0c758dbc1f3da8bc316021dc2994fc5ac33099d7b7f484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0372723dfed0e5e74a0c758dbc1f3da8bc316021dc2994fc5ac33099d7b7f484", kill_on_drop: false }`
[INFO] [stdout] 0372723dfed0e5e74a0c758dbc1f3da8bc316021dc2994fc5ac33099d7b7f484