[INFO] cloning repository https://github.com/a74946443/learn_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a74946443/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa74946443%2Flearn_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa74946443%2Flearn_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d4214616a24e50a567a83e50cca030906d5f2a9f [INFO] testing a74946443/learn_rust against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa74946443%2Flearn_rust" "/workspace/builds/worker-52/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/a74946443/learn_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/a74946443/learn_rust [INFO] finished tweaking git repo https://github.com/a74946443/learn_rust [INFO] tweaked toml for git repo https://github.com/a74946443/learn_rust written to /workspace/builds/worker-52/source/Cargo.toml [INFO] crate git repo https://github.com/a74946443/learn_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redis v0.8.0 [INFO] [stderr] Downloaded simple_redis v0.3.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fee9476b13a998172349bf0e8795a2e3b8dac9147711b95ac7d0490070f7d3c [INFO] running `Command { std: "docker" "start" "-a" "9fee9476b13a998172349bf0e8795a2e3b8dac9147711b95ac7d0490070f7d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fee9476b13a998172349bf0e8795a2e3b8dac9147711b95ac7d0490070f7d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fee9476b13a998172349bf0e8795a2e3b8dac9147711b95ac7d0490070f7d3c", kill_on_drop: false }` [INFO] [stdout] 9fee9476b13a998172349bf0e8795a2e3b8dac9147711b95ac7d0490070f7d3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b048f356722c552a67b9bdccedf25ee41b671b4dadaabe01e4dbf5a05eff9122 [INFO] running `Command { std: "docker" "start" "-a" "b048f356722c552a67b9bdccedf25ee41b671b4dadaabe01e4dbf5a05eff9122", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling redis v0.8.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling simple_redis v0.3.44 [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.09s [INFO] running `Command { std: "docker" "inspect" "b048f356722c552a67b9bdccedf25ee41b671b4dadaabe01e4dbf5a05eff9122", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b048f356722c552a67b9bdccedf25ee41b671b4dadaabe01e4dbf5a05eff9122", kill_on_drop: false }` [INFO] [stdout] b048f356722c552a67b9bdccedf25ee41b671b4dadaabe01e4dbf5a05eff9122 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a65db0bd7e9a73932b644c84452954376e9528f11aeece170c9a01dc1e6a2741 [INFO] running `Command { std: "docker" "start" "-a" "a65db0bd7e9a73932b644c84452954376e9528f11aeece170c9a01dc1e6a2741", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `learn_rust::exercise::length_of_longest_substring::substring` [INFO] [stdout] --> tests/exercise.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | use learn_rust::exercise::length_of_longest_substring::substring; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `substring` in `exercise::length_of_longest_substring` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `learn_rust` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a65db0bd7e9a73932b644c84452954376e9528f11aeece170c9a01dc1e6a2741", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a65db0bd7e9a73932b644c84452954376e9528f11aeece170c9a01dc1e6a2741", kill_on_drop: false }` [INFO] [stdout] a65db0bd7e9a73932b644c84452954376e9528f11aeece170c9a01dc1e6a2741