[INFO] cloning repository https://github.com/ToF-/rust_word_ladder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToF-/rust_word_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToF-%2Frust_word_ladder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToF-%2Frust_word_ladder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76fac564a7b0a6d3cd318adb2782cf7837df5771 [INFO] checking ToF-/rust_word_ladder/76fac564a7b0a6d3cd318adb2782cf7837df5771 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToF-%2Frust_word_ladder" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ToF-/rust_word_ladder on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ToF-/rust_word_ladder [INFO] finished tweaking git repo https://github.com/ToF-/rust_word_ladder [INFO] tweaked toml for git repo https://github.com/ToF-/rust_word_ladder written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ToF-/rust_word_ladder 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 083c0439927eb47549a2feeb91c7a8a30f5949d5aaef313b7d57d2b267c5bbb2 [INFO] running `Command { std: "docker" "start" "-a" "083c0439927eb47549a2feeb91c7a8a30f5949d5aaef313b7d57d2b267c5bbb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "083c0439927eb47549a2feeb91c7a8a30f5949d5aaef313b7d57d2b267c5bbb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "083c0439927eb47549a2feeb91c7a8a30f5949d5aaef313b7d57d2b267c5bbb2", kill_on_drop: false }` [INFO] [stdout] 083c0439927eb47549a2feeb91c7a8a30f5949d5aaef313b7d57d2b267c5bbb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 181740e3efb917f76327f8f6238621a73fe74022f37837f48da6931ec45ee06b [INFO] running `Command { std: "docker" "start" "-a" "181740e3efb917f76327f8f6238621a73fe74022f37837f48da6931ec45ee06b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rust_word_ladder v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `structopt` [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `structopt` [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `structopt` in this scope [INFO] [stdout] --> src/main.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | #[structopt(name = "word_ladder", about = "Finding ladders between words.")] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `structopt` is imported here, but it is an unresolved item, not an attribute [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `structopt` in this scope [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | #[structopt(parse(from_os_str))] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `structopt` is imported here, but it is an unresolved item, not an attribute [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `structopt` in this scope [INFO] [stdout] --> src/main.rs:14:3 [INFO] [stdout] | [INFO] [stdout] 14 | #[structopt(name = "word_ladder", about = "Finding ladders between words.")] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `structopt` is imported here, but it is an unresolved item, not an attribute [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `structopt` in this scope [INFO] [stdout] --> src/main.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | #[structopt(parse(from_os_str))] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `structopt` is imported here, but it is an unresolved item, not an attribute [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate structopt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `from_args` found for struct `Opt` in the current scope [INFO] [stdout] --> src/main.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 15 | struct Opt { [INFO] [stdout] | ---------- function or associated item `from_args` not found for this struct [INFO] [stdout] ... [INFO] [stdout] 26 | let opt = Opt::from_args(); [INFO] [stdout] | ^^^^^^^^^ function or associated item not found in `Opt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0463, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_word_ladder` (bin "rust_word_ladder") due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0599]: no function or associated item named `from_args` found for struct `Opt` in the current scope [INFO] [stdout] --> src/main.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 15 | struct Opt { [INFO] [stdout] | ---------- function or associated item `from_args` not found for this struct [INFO] [stdout] ... [INFO] [stdout] 26 | let opt = Opt::from_args(); [INFO] [stdout] | ^^^^^^^^^ function or associated item not found in `Opt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0463, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_word_ladder` (bin "rust_word_ladder" test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "181740e3efb917f76327f8f6238621a73fe74022f37837f48da6931ec45ee06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "181740e3efb917f76327f8f6238621a73fe74022f37837f48da6931ec45ee06b", kill_on_drop: false }` [INFO] [stdout] 181740e3efb917f76327f8f6238621a73fe74022f37837f48da6931ec45ee06b