[INFO] fetching crate downdelving 0.1.0...
[INFO] checking downdelving-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate downdelving 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate downdelving 0.1.0
[INFO] finished tweaking crates.io crate downdelving 0.1.0
[INFO] tweaked toml for crates.io crate downdelving 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate downdelving 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate downdelving 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cd9d05dc94a09b0612de823950f52d1ba8bbc0feaee9313b19d6ed5dd0a310f
[INFO] running `Command { std: "docker" "start" "-a" "8cd9d05dc94a09b0612de823950f52d1ba8bbc0feaee9313b19d6ed5dd0a310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd9d05dc94a09b0612de823950f52d1ba8bbc0feaee9313b19d6ed5dd0a310f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd9d05dc94a09b0612de823950f52d1ba8bbc0feaee9313b19d6ed5dd0a310f", kill_on_drop: false }`
[INFO] [stdout] 8cd9d05dc94a09b0612de823950f52d1ba8bbc0feaee9313b19d6ed5dd0a310f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1fa7c482676061aa1c2a0ef540c669988af223c2fed547714d569110400a37a
[INFO] running `Command { std: "docker" "start" "-a" "b1fa7c482676061aa1c2a0ef540c669988af223c2fed547714d569110400a37a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking volmark v0.1.0
[INFO] [stderr]     Checking downdelving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "b1fa7c482676061aa1c2a0ef540c669988af223c2fed547714d569110400a37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fa7c482676061aa1c2a0ef540c669988af223c2fed547714d569110400a37a", kill_on_drop: false }`
[INFO] [stdout] b1fa7c482676061aa1c2a0ef540c669988af223c2fed547714d569110400a37a