[INFO] fetching crate queen 0.26.0-alpha.1...
[INFO] checking queen-0.26.0-alpha.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate queen 0.26.0-alpha.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate queen 0.26.0-alpha.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate queen 0.26.0-alpha.1
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate queen 0.26.0-alpha.1
[INFO] tweaked toml for crates.io crate queen 0.26.0-alpha.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate queen 0.26.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9dea2e1573c388be9bd778aeff0b0afebbd991f901b353a59d31be3c2c51334c
[INFO] running `Command { std: "docker" "start" "-a" "9dea2e1573c388be9bd778aeff0b0afebbd991f901b353a59d31be3c2c51334c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dea2e1573c388be9bd778aeff0b0afebbd991f901b353a59d31be3c2c51334c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dea2e1573c388be9bd778aeff0b0afebbd991f901b353a59d31be3c2c51334c", kill_on_drop: false }`
[INFO] [stdout] 9dea2e1573c388be9bd778aeff0b0afebbd991f901b353a59d31be3c2c51334c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf98eb8084e561a884cd124a6be5ec622cfa0523d55f0f7f6ff435d433b5a68e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cf98eb8084e561a884cd124a6be5ec622cfa0523d55f0f7f6ff435d433b5a68e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling queen-io v0.6.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling queen v0.26.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking queen-log v0.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking nson v0.11.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.89s
[INFO] running `Command { std: "docker" "inspect" "cf98eb8084e561a884cd124a6be5ec622cfa0523d55f0f7f6ff435d433b5a68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf98eb8084e561a884cd124a6be5ec622cfa0523d55f0f7f6ff435d433b5a68e", kill_on_drop: false }`
[INFO] [stdout] cf98eb8084e561a884cd124a6be5ec622cfa0523d55f0f7f6ff435d433b5a68e