[INFO] fetching crate shared-mutex 0.3.1...
[INFO] checking shared-mutex-0.3.1 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2
[INFO] extracting crate shared-mutex 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate shared-mutex 0.3.1 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shared-mutex 0.3.1
[INFO] finished tweaking crates.io crate shared-mutex 0.3.1
[INFO] tweaked toml for crates.io crate shared-mutex 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam v0.2.12 (available: v0.8.4)
[INFO] [stderr]       Adding scoped-pool v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding scopeguard v0.1.2 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c7b9f67aee467f8083857e913d1fff76e253d52682b9cf11b8cf11de0fb99ff
[INFO] running `Command { std: "docker" "start" "-a" "4c7b9f67aee467f8083857e913d1fff76e253d52682b9cf11b8cf11de0fb99ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c7b9f67aee467f8083857e913d1fff76e253d52682b9cf11b8cf11de0fb99ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7b9f67aee467f8083857e913d1fff76e253d52682b9cf11b8cf11de0fb99ff", kill_on_drop: false }`
[INFO] [stdout] 4c7b9f67aee467f8083857e913d1fff76e253d52682b9cf11b8cf11de0fb99ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a6e31544f8b386adb67f81671711f2f877276290ad9ed3bd25009ff062dc1e
[INFO] running `Command { std: "docker" "start" "-a" "70a6e31544f8b386adb67f81671711f2f877276290ad9ed3bd25009ff062dc1e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "70a6e31544f8b386adb67f81671711f2f877276290ad9ed3bd25009ff062dc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a6e31544f8b386adb67f81671711f2f877276290ad9ed3bd25009ff062dc1e", kill_on_drop: false }`
[INFO] [stdout] 70a6e31544f8b386adb67f81671711f2f877276290ad9ed3bd25009ff062dc1e