[INFO] fetching crate reference-counted-singleton 0.1.4...
[INFO] checking reference-counted-singleton-0.1.4 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate reference-counted-singleton 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate reference-counted-singleton 0.1.4 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reference-counted-singleton 0.1.4
[INFO] finished tweaking crates.io crate reference-counted-singleton 0.1.4
[INFO] tweaked toml for crates.io crate reference-counted-singleton 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6831ac996aa04dcf26f1d57307419d51737088caca892d73bcf0ce5d91054317
[INFO] running `Command { std: "docker" "start" "-a" "6831ac996aa04dcf26f1d57307419d51737088caca892d73bcf0ce5d91054317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6831ac996aa04dcf26f1d57307419d51737088caca892d73bcf0ce5d91054317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6831ac996aa04dcf26f1d57307419d51737088caca892d73bcf0ce5d91054317", kill_on_drop: false }`
[INFO] [stdout] 6831ac996aa04dcf26f1d57307419d51737088caca892d73bcf0ce5d91054317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e0b2eb22d337f01ba9d27857f21800aef0736be0de30705ffa7bb8a94fc349
[INFO] running `Command { std: "docker" "start" "-a" "f9e0b2eb22d337f01ba9d27857f21800aef0736be0de30705ffa7bb8a94fc349", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking sdd v3.0.2
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking reference-counted-singleton v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serial_test_derive v3.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking scc v2.1.16
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serial_test v3.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "f9e0b2eb22d337f01ba9d27857f21800aef0736be0de30705ffa7bb8a94fc349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e0b2eb22d337f01ba9d27857f21800aef0736be0de30705ffa7bb8a94fc349", kill_on_drop: false }`
[INFO] [stdout] f9e0b2eb22d337f01ba9d27857f21800aef0736be0de30705ffa7bb8a94fc349