[INFO] cloning repository https://github.com/keg-project/keg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keg-project/keg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeg-project%2Fkeg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeg-project%2Fkeg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 411b5990cf5a2be2fb4c212c746effe627c8000a
[INFO] checking keg-project/keg against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeg-project%2Fkeg" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keg-project/keg on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keg-project/keg
[INFO] finished tweaking git repo https://github.com/keg-project/keg
[INFO] tweaked toml for git repo https://github.com/keg-project/keg written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/keg-project/keg 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libseccomp v0.3.0
[INFO] [stderr]   Downloaded libseccomp-sys v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a2595bd6630ba75f0f65ab096d2e68196f2f12574b435437f1e4126c0db8e47
[INFO] running `Command { std: "docker" "start" "-a" "3a2595bd6630ba75f0f65ab096d2e68196f2f12574b435437f1e4126c0db8e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a2595bd6630ba75f0f65ab096d2e68196f2f12574b435437f1e4126c0db8e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2595bd6630ba75f0f65ab096d2e68196f2f12574b435437f1e4126c0db8e47", kill_on_drop: false }`
[INFO] [stdout] 3a2595bd6630ba75f0f65ab096d2e68196f2f12574b435437f1e4126c0db8e47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eed1fc3d7d1ef30bd7e8ad67e45bfc3c0aefc87e1e2ba0116da727435dfb73a
[INFO] running `Command { std: "docker" "start" "-a" "8eed1fc3d7d1ef30bd7e8ad67e45bfc3c0aefc87e1e2ba0116da727435dfb73a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libseccomp-sys v0.2.1
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling libseccomp v0.3.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking keg v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.71s
[INFO] running `Command { std: "docker" "inspect" "8eed1fc3d7d1ef30bd7e8ad67e45bfc3c0aefc87e1e2ba0116da727435dfb73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eed1fc3d7d1ef30bd7e8ad67e45bfc3c0aefc87e1e2ba0116da727435dfb73a", kill_on_drop: false }`
[INFO] [stdout] 8eed1fc3d7d1ef30bd7e8ad67e45bfc3c0aefc87e1e2ba0116da727435dfb73a