[INFO] fetching crate solve_lib 0.0.1...
[INFO] checking solve_lib-0.0.1 against master#59d99f56d8888b0e5a5866d6418df3ca1bb90013 for pr-100046
[INFO] extracting crate solve_lib 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate solve_lib 0.0.1 on toolchain 59d99f56d8888b0e5a5866d6418df3ca1bb90013
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solve_lib 0.0.1
[INFO] finished tweaking crates.io crate solve_lib 0.0.1
[INFO] tweaked toml for crates.io crate solve_lib 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5791f157e07a1bed6e2f10998f4a8be00ed315c254e69031268844351312854
[INFO] running `Command { std: "docker" "start" "-a" "f5791f157e07a1bed6e2f10998f4a8be00ed315c254e69031268844351312854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5791f157e07a1bed6e2f10998f4a8be00ed315c254e69031268844351312854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5791f157e07a1bed6e2f10998f4a8be00ed315c254e69031268844351312854", kill_on_drop: false }`
[INFO] [stdout] f5791f157e07a1bed6e2f10998f4a8be00ed315c254e69031268844351312854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+59d99f56d8888b0e5a5866d6418df3ca1bb90013" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f48461e21592645bd736feef775e596edba68e0971ea0816933abc9a232ffe9
[INFO] running `Command { std: "docker" "start" "-a" "3f48461e21592645bd736feef775e596edba68e0971ea0816933abc9a232ffe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking solve_lib v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "3f48461e21592645bd736feef775e596edba68e0971ea0816933abc9a232ffe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f48461e21592645bd736feef775e596edba68e0971ea0816933abc9a232ffe9", kill_on_drop: false }`
[INFO] [stdout] 3f48461e21592645bd736feef775e596edba68e0971ea0816933abc9a232ffe9