[INFO] cloning repository https://github.com/krista-chan/printer_thing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krista-chan/printer_thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrista-chan%2Fprinter_thing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrista-chan%2Fprinter_thing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d142d4df6c575f15c23800a0103cb94bd53b3243
[INFO] testing krista-chan/printer_thing against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrista-chan%2Fprinter_thing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krista-chan/printer_thing
[INFO] finished tweaking git repo https://github.com/krista-chan/printer_thing
[INFO] tweaked toml for git repo https://github.com/krista-chan/printer_thing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krista-chan/printer_thing on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krista-chan/printer_thing 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab7cb44a7b5b1a2b1fdd92a6ac4587d47651d71b79fd60a0601fcc70fb7e24e9
[INFO] running `Command { std: "docker" "start" "-a" "ab7cb44a7b5b1a2b1fdd92a6ac4587d47651d71b79fd60a0601fcc70fb7e24e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab7cb44a7b5b1a2b1fdd92a6ac4587d47651d71b79fd60a0601fcc70fb7e24e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7cb44a7b5b1a2b1fdd92a6ac4587d47651d71b79fd60a0601fcc70fb7e24e9", kill_on_drop: false }`
[INFO] [stdout] ab7cb44a7b5b1a2b1fdd92a6ac4587d47651d71b79fd60a0601fcc70fb7e24e9
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc605d386d9c75139b75ea4d11c1eadbba767323e1da7feaaef4a798b4e6f793
[INFO] running `Command { std: "docker" "start" "-a" "bc605d386d9c75139b75ea4d11c1eadbba767323e1da7feaaef4a798b4e6f793", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling printers v2.1.2
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_core v0.9.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.0
[INFO] [stderr]    Compiling printer_thing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `duration_constructors_lite`
[INFO] [stdout]   --> src/main.rs:36:32
[INFO] [stdout]    |
[INFO] [stdout] 36 |             std::thread::sleep(Duration::from_mins(50));
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #140881 <https://github.com/rust-lang/rust/issues/140881> for more information
[INFO] [stdout]    = help: add `#![feature(duration_constructors_lite)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-07-05; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `duration_constructors_lite`
[INFO] [stdout]   --> src/main.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |         std::thread::sleep(Duration::from_mins(50));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #140881 <https://github.com/rust-lang/rust/issues/140881> for more information
[INFO] [stdout]    = help: add `#![feature(duration_constructors_lite)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-07-05; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printer_thing` (bin "printer_thing") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bc605d386d9c75139b75ea4d11c1eadbba767323e1da7feaaef4a798b4e6f793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc605d386d9c75139b75ea4d11c1eadbba767323e1da7feaaef4a798b4e6f793", kill_on_drop: false }`
[INFO] [stdout] bc605d386d9c75139b75ea4d11c1eadbba767323e1da7feaaef4a798b4e6f793