[INFO] fetching crate nbd 0.3.1...
[INFO] checking nbd-0.3.1 against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] extracting crate nbd 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate nbd 0.3.1
[INFO] finished tweaking crates.io crate nbd 0.3.1
[INFO] tweaked toml for crates.io crate nbd 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nbd 0.3.1 on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nbd 0.3.1 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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded readwrite v0.1.2
[INFO] [stderr]   Downloaded proptest v0.8.7
[INFO] [stderr]   Downloaded pipe v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cadc34dbcdfd3047c308a0a0887755dbfc00a038706dd338a02f1a75cb895a7b
[INFO] running `Command { std: "docker" "start" "-a" "cadc34dbcdfd3047c308a0a0887755dbfc00a038706dd338a02f1a75cb895a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cadc34dbcdfd3047c308a0a0887755dbfc00a038706dd338a02f1a75cb895a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadc34dbcdfd3047c308a0a0887755dbfc00a038706dd338a02f1a75cb895a7b", kill_on_drop: false }`
[INFO] [stdout] cadc34dbcdfd3047c308a0a0887755dbfc00a038706dd338a02f1a75cb895a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc7590246c36e8368bb9aed377f3ec8fb6936dddb8aa07894368a4efcaf80cb
[INFO] running `Command { std: "docker" "start" "-a" "2bc7590246c36e8368bb9aed377f3ec8fb6936dddb8aa07894368a4efcaf80cb", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking readwrite v0.1.2
[INFO] [stderr]     Checking pipe v0.0.3
[INFO] [stderr]     Checking nbd v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "2bc7590246c36e8368bb9aed377f3ec8fb6936dddb8aa07894368a4efcaf80cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc7590246c36e8368bb9aed377f3ec8fb6936dddb8aa07894368a4efcaf80cb", kill_on_drop: false }`
[INFO] [stdout] 2bc7590246c36e8368bb9aed377f3ec8fb6936dddb8aa07894368a4efcaf80cb