[INFO] cloning repository https://github.com/hnefatl/rust-linked-lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnefatl/rust-linked-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnefatl%2Frust-linked-lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnefatl%2Frust-linked-lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc93bdcc2983f22ccbacc827da29434854e1c82f [INFO] testing hnefatl/rust-linked-lists against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnefatl%2Frust-linked-lists" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hnefatl/rust-linked-lists [INFO] finished tweaking git repo https://github.com/hnefatl/rust-linked-lists [INFO] tweaked toml for git repo https://github.com/hnefatl/rust-linked-lists written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hnefatl/rust-linked-lists on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hnefatl/rust-linked-lists 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7e6add587fdf06ef42298cfe5c1d7bc1a1cb1fb3c1e46ba39c2393a557db58a [INFO] running `Command { std: "docker" "start" "-a" "a7e6add587fdf06ef42298cfe5c1d7bc1a1cb1fb3c1e46ba39c2393a557db58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7e6add587fdf06ef42298cfe5c1d7bc1a1cb1fb3c1e46ba39c2393a557db58a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7e6add587fdf06ef42298cfe5c1d7bc1a1cb1fb3c1e46ba39c2393a557db58a", kill_on_drop: false }` [INFO] [stdout] a7e6add587fdf06ef42298cfe5c1d7bc1a1cb1fb3c1e46ba39c2393a557db58a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9474b4a1d56a91e7426ee20854577697254980cd8e4a69daeac7a19b5f2a4eb0 [INFO] running `Command { std: "docker" "start" "-a" "9474b4a1d56a91e7426ee20854577697254980cd8e4a69daeac7a19b5f2a4eb0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.9 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling strum v0.15.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling strum_macros v0.15.0 [INFO] [stderr] Compiling linked-lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `List` is never used [INFO] [stdout] --> src/list.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SingleLinked` is never constructed [INFO] [stdout] --> src/singlelinked.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct SingleLinked { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Node` is never used [INFO] [stdout] --> src/singlelinked.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | enum Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/singlelinked.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl SingleLinked { [INFO] [stdout] | ----------------------- associated function in this implementation [INFO] [stdout] 15 | pub fn new() -> SingleLinked { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `traverse_with` is never used [INFO] [stdout] --> src/singlelinked.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Node { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 20 | // Walk along the list, calling a function on the value/tail each non-null point [INFO] [stdout] 21 | fn traverse_with(&mut self, f: F) where F: Fn(&mut T, &mut Node) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.69s [INFO] running `Command { std: "docker" "inspect" "9474b4a1d56a91e7426ee20854577697254980cd8e4a69daeac7a19b5f2a4eb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9474b4a1d56a91e7426ee20854577697254980cd8e4a69daeac7a19b5f2a4eb0", kill_on_drop: false }` [INFO] [stdout] 9474b4a1d56a91e7426ee20854577697254980cd8e4a69daeac7a19b5f2a4eb0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4ddba3a3ba8b3157aa1656c64ac591bf4126009c4bbccf5e0d8d4b3e7c1a3799 [INFO] running `Command { std: "docker" "start" "-a" "4ddba3a3ba8b3157aa1656c64ac591bf4126009c4bbccf5e0d8d4b3e7c1a3799", kill_on_drop: false }` [INFO] [stderr] Compiling linked-lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/list.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait List { [INFO] [stdout] | ---- method in this trait [INFO] [stdout] ... [INFO] [stdout] 10 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `traverse_with` is never used [INFO] [stdout] --> src/singlelinked.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 19 | impl Node { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 20 | // Walk along the list, calling a function on the value/tail each non-null point [INFO] [stdout] 21 | fn traverse_with(&mut self, f: F) where F: Fn(&mut T, &mut Node) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "4ddba3a3ba8b3157aa1656c64ac591bf4126009c4bbccf5e0d8d4b3e7c1a3799", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ddba3a3ba8b3157aa1656c64ac591bf4126009c4bbccf5e0d8d4b3e7c1a3799", kill_on_drop: false }` [INFO] [stdout] 4ddba3a3ba8b3157aa1656c64ac591bf4126009c4bbccf5e0d8d4b3e7c1a3799 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 82e05cfd4bec77fe428448896e00e1cf20d66cdd76620acfddb30b9e320d18fb [INFO] running `Command { std: "docker" "start" "-a" "82e05cfd4bec77fe428448896e00e1cf20d66cdd76620acfddb30b9e320d18fb", kill_on_drop: false }` [INFO] [stderr] warning: method `len` is never used [INFO] [stderr] --> src/list.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub trait List { [INFO] [stderr] | ---- method in this trait [INFO] [stderr] ... [INFO] [stderr] 10 | fn len(&self) -> usize; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `traverse_with` is never used [INFO] [stderr] --> src/singlelinked.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 19 | impl Node { [INFO] [stderr] | --------------- method in this implementation [INFO] [stderr] 20 | // Walk along the list, calling a function on the value/tail each non-null point [INFO] [stderr] 21 | fn traverse_with(&mut self, f: F) where F: Fn(&mut T, &mut Node) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `linked-lists` (bin "linked-lists" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/linked_lists-21ae6fdde6df9e73) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_single_linked ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "82e05cfd4bec77fe428448896e00e1cf20d66cdd76620acfddb30b9e320d18fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82e05cfd4bec77fe428448896e00e1cf20d66cdd76620acfddb30b9e320d18fb", kill_on_drop: false }` [INFO] [stdout] 82e05cfd4bec77fe428448896e00e1cf20d66cdd76620acfddb30b9e320d18fb