[INFO] fetching crate undo-core 0.2.0...
[INFO] checking undo-core-0.2.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate undo-core 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate undo-core 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate undo-core 0.2.0
[INFO] tweaked toml for crates.io crate undo-core 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate undo-core 0.2.0 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate undo-core 0.2.0 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.5.2
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded inotify v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac
[INFO] running `Command { std: "docker" "start" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ctrlc v3.5.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking undo-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.31.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac", kill_on_drop: false }`
[INFO] [stdout] b93124adc225f436e7b20efe56aaced761ecf0c49eb61336147b5ffe26c834ac
