[INFO] fetching crate qcell 0.5.5...
[INFO] building qcell-0.5.5 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate qcell 0.5.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate qcell 0.5.5
[INFO] finished tweaking crates.io crate qcell 0.5.5
[INFO] tweaked toml for crates.io crate qcell 0.5.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qcell 0.5.5 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qcell 0.5.5 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41eb13d6bf28f1f0b1cb4d4e3cf194547b56093a03f26b3594b0ad1300a26431
[INFO] running `Command { std: "docker" "start" "-a" "41eb13d6bf28f1f0b1cb4d4e3cf194547b56093a03f26b3594b0ad1300a26431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41eb13d6bf28f1f0b1cb4d4e3cf194547b56093a03f26b3594b0ad1300a26431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41eb13d6bf28f1f0b1cb4d4e3cf194547b56093a03f26b3594b0ad1300a26431", kill_on_drop: false }`
[INFO] [stdout] 41eb13d6bf28f1f0b1cb4d4e3cf194547b56093a03f26b3594b0ad1300a26431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e41a21f0b77a591ddfc5471dc8b50888ab881e29b6e21bf04d8bcc04ee0d7fe
[INFO] running `Command { std: "docker" "start" "-a" "8e41a21f0b77a591ddfc5471dc8b50888ab881e29b6e21bf04d8bcc04ee0d7fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling qcell v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "8e41a21f0b77a591ddfc5471dc8b50888ab881e29b6e21bf04d8bcc04ee0d7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e41a21f0b77a591ddfc5471dc8b50888ab881e29b6e21bf04d8bcc04ee0d7fe", kill_on_drop: false }`
[INFO] [stdout] 8e41a21f0b77a591ddfc5471dc8b50888ab881e29b6e21bf04d8bcc04ee0d7fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfc34214600d840bae8fa4524e1c4f67a4777a7e2317b66cf0e2e32ccbd68afa
[INFO] running `Command { std: "docker" "start" "-a" "dfc34214600d840bae8fa4524e1c4f67a4777a7e2317b66cf0e2e32ccbd68afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling pin-project v1.1.2
[INFO] [stderr]    Compiling qcell v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "dfc34214600d840bae8fa4524e1c4f67a4777a7e2317b66cf0e2e32ccbd68afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc34214600d840bae8fa4524e1c4f67a4777a7e2317b66cf0e2e32ccbd68afa", kill_on_drop: false }`
[INFO] [stdout] dfc34214600d840bae8fa4524e1c4f67a4777a7e2317b66cf0e2e32ccbd68afa