[INFO] fetching crate willowtree 0.1.0...
[INFO] testing willowtree-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate willowtree 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate willowtree 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate willowtree 0.1.0
[INFO] finished tweaking crates.io crate willowtree 0.1.0
[INFO] tweaked toml for crates.io crate willowtree 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate willowtree 0.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indextree v4.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3856e8f63cf1d12af82dc32eb29be7be13ba974fde5a0b67d620d36a50ab7b49
[INFO] running `Command { std: "docker" "start" "-a" "3856e8f63cf1d12af82dc32eb29be7be13ba974fde5a0b67d620d36a50ab7b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3856e8f63cf1d12af82dc32eb29be7be13ba974fde5a0b67d620d36a50ab7b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3856e8f63cf1d12af82dc32eb29be7be13ba974fde5a0b67d620d36a50ab7b49", kill_on_drop: false }`
[INFO] [stdout] 3856e8f63cf1d12af82dc32eb29be7be13ba974fde5a0b67d620d36a50ab7b49
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d3260c361b3a5f08be88040cddd938fb300e11aa496fc182c235e439c53fda
[INFO] running `Command { std: "docker" "start" "-a" "a4d3260c361b3a5f08be88040cddd938fb300e11aa496fc182c235e439c53fda", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree v4.5.0
[INFO] [stderr]    Compiling willowtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a4d3260c361b3a5f08be88040cddd938fb300e11aa496fc182c235e439c53fda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d3260c361b3a5f08be88040cddd938fb300e11aa496fc182c235e439c53fda", kill_on_drop: false }`
[INFO] [stdout] a4d3260c361b3a5f08be88040cddd938fb300e11aa496fc182c235e439c53fda
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3d3f2063df28934ff22fc4b71b2798e4bbcf6ba41178e448e046568b845917
[INFO] running `Command { std: "docker" "start" "-a" "5d3d3f2063df28934ff22fc4b71b2798e4bbcf6ba41178e448e046568b845917", kill_on_drop: false }`
[INFO] [stderr]    Compiling willowtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `willow`
[INFO] [stdout]  --> examples/usage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use willow::Tree;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `willow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `willow`
[INFO] [stdout]   --> examples/usage.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl willow::Node for Node {
[INFO] [stdout]    |      ^^^^^^ use of undeclared crate or module `willow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `willow`
[INFO] [stdout]   --> examples/usage.rs:20:36
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn walk(tree: &mut Tree<Node>, id: willow::Id, depth: usize) {
[INFO] [stdout]    |                                    ^^^^^^ use of undeclared crate or module `willow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `willowtree` (example "usage") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5d3d3f2063df28934ff22fc4b71b2798e4bbcf6ba41178e448e046568b845917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3d3f2063df28934ff22fc4b71b2798e4bbcf6ba41178e448e046568b845917", kill_on_drop: false }`
[INFO] [stdout] 5d3d3f2063df28934ff22fc4b71b2798e4bbcf6ba41178e448e046568b845917
[INFO] testing willowtree-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate willowtree 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate willowtree 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate willowtree 0.1.0
[INFO] finished tweaking crates.io crate willowtree 0.1.0
[INFO] tweaked toml for crates.io crate willowtree 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate willowtree 0.1.0 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" "+beta-2023-12-22" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbb9c0056553e7f75a7fffecf374fb4d12788966d18731615f6194c2282e9ba6
[INFO] running `Command { std: "docker" "start" "-a" "cbb9c0056553e7f75a7fffecf374fb4d12788966d18731615f6194c2282e9ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb9c0056553e7f75a7fffecf374fb4d12788966d18731615f6194c2282e9ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb9c0056553e7f75a7fffecf374fb4d12788966d18731615f6194c2282e9ba6", kill_on_drop: false }`
[INFO] [stdout] cbb9c0056553e7f75a7fffecf374fb4d12788966d18731615f6194c2282e9ba6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e648c1595fb7c854622cf74aa63cf8a4eaf24ccbef378549bd28e256dc4dac1
[INFO] running `Command { std: "docker" "start" "-a" "2e648c1595fb7c854622cf74aa63cf8a4eaf24ccbef378549bd28e256dc4dac1", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree v4.5.0
[INFO] [stderr]    Compiling willowtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "2e648c1595fb7c854622cf74aa63cf8a4eaf24ccbef378549bd28e256dc4dac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e648c1595fb7c854622cf74aa63cf8a4eaf24ccbef378549bd28e256dc4dac1", kill_on_drop: false }`
[INFO] [stdout] 2e648c1595fb7c854622cf74aa63cf8a4eaf24ccbef378549bd28e256dc4dac1
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0108e2e96722e3b65963c7b1520158363e50c53587490ebdb931d6457b04120
[INFO] running `Command { std: "docker" "start" "-a" "b0108e2e96722e3b65963c7b1520158363e50c53587490ebdb931d6457b04120", kill_on_drop: false }`
[INFO] [stderr]    Compiling willowtree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `willow`
[INFO] [stdout]  --> examples/usage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use willow::Tree;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `willow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `willow`
[INFO] [stdout]   --> examples/usage.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl willow::Node for Node {
[INFO] [stdout]    |      ^^^^^^ use of undeclared crate or module `willow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `willow`
[INFO] [stdout]   --> examples/usage.rs:20:36
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn walk(tree: &mut Tree<Node>, id: willow::Id, depth: usize) {
[INFO] [stdout]    |                                    ^^^^^^ use of undeclared crate or module `willow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `willowtree` (example "usage") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b0108e2e96722e3b65963c7b1520158363e50c53587490ebdb931d6457b04120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0108e2e96722e3b65963c7b1520158363e50c53587490ebdb931d6457b04120", kill_on_drop: false }`
[INFO] [stdout] b0108e2e96722e3b65963c7b1520158363e50c53587490ebdb931d6457b04120
