[INFO] cloning repository https://github.com/proecho/french_cypher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proecho/french_cypher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproecho%2Ffrench_cypher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproecho%2Ffrench_cypher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 98b2f1db31a0bab58ab22cc711fa4c354b6938b6 [INFO] checking proecho/french_cypher against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproecho%2Ffrench_cypher" "/workspace/builds/worker-28/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/proecho/french_cypher on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/proecho/french_cypher [INFO] finished tweaking git repo https://github.com/proecho/french_cypher [INFO] tweaked toml for git repo https://github.com/proecho/french_cypher written to /workspace/builds/worker-28/source/Cargo.toml [INFO] crate git repo https://github.com/proecho/french_cypher already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60820eb2db5948f2a98aecb9c4f5ee3de41975ac1c4add16a2376bf8dd23333e [INFO] running `Command { std: "docker" "start" "-a" "60820eb2db5948f2a98aecb9c4f5ee3de41975ac1c4add16a2376bf8dd23333e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60820eb2db5948f2a98aecb9c4f5ee3de41975ac1c4add16a2376bf8dd23333e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60820eb2db5948f2a98aecb9c4f5ee3de41975ac1c4add16a2376bf8dd23333e", kill_on_drop: false }` [INFO] [stdout] 60820eb2db5948f2a98aecb9c4f5ee3de41975ac1c4add16a2376bf8dd23333e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4648e85d615b90db46440711f9ff7a2d8312bb7838fdf24f6f6a693d9edf4831 [INFO] running `Command { std: "docker" "start" "-a" "4648e85d615b90db46440711f9ff7a2d8312bb7838fdf24f6f6a693d9edf4831", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking french_cypher v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `french_cypher` [INFO] [stderr] [INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files: [INFO] [stderr] [INFO] [stderr] * src/main.rs [INFO] [stderr] [INFO] [stderr] This likely indicates a bug in either rustc or cargo itself, [INFO] [stderr] and we would appreciate a bug report! You're likely to see [INFO] [stderr] a number of compiler warnings after this message which cargo [INFO] [stderr] attempted to fix but failed. If you could open an issue at [INFO] [stderr] https://github.com/rust-lang/rust/issues [INFO] [stderr] quoting the full output of this command we'd be very appreciative! [INFO] [stderr] Note that you may be able to make some more progress in the near-term [INFO] [stderr] fixing code with the `--broken-code` flag [INFO] [stderr] [INFO] [stderr] The following errors were reported: [INFO] [stderr] error[E0425]: cannot find value `returnencode` in this scope [INFO] [stderr] --> src/main.rs:40:6 [INFO] [stderr] | [INFO] [stderr] 40 | returnencode; [INFO] [stderr] | ^^^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `returncode` in this scope [INFO] [stderr] --> src/main.rs:43:3 [INFO] [stderr] | [INFO] [stderr] 43 | returncode; [INFO] [stderr] | ^^^^^^^^^^ not found in this scope [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `returnencode_message` in this scope [INFO] [stderr] --> src/main.rs:86:2 [INFO] [stderr] | [INFO] [stderr] 86 | returnencode_message; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `encode_message` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find value `returnreturning_list` in this scope [INFO] [stderr] --> src/main.rs:96:2 [INFO] [stderr] | [INFO] [stderr] 96 | returnreturning_list; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `returning_list` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:26:28 [INFO] [stderr] | [INFO] [stderr] 26 | if code.len() < length { [INFO] [stderr] | ____________________________^ [INFO] [stderr] 27 | | let mut position = 0; [INFO] [stderr] 28 | | let mut end = 0; [INFO] [stderr] 29 | | loop { [INFO] [stderr] ... | [INFO] [stderr] 41 | | [INFO] [stderr] 42 | | }else { [INFO] [stderr] | |_____^ expected struct `Vec`, found `()` [INFO] [stderr] | [INFO] [stderr] = note: expected struct `Vec` [INFO] [stderr] found unit type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | }else { [INFO] [stderr] | ___________^ [INFO] [stderr] 43 | | returncode; [INFO] [stderr] 44 | | } [INFO] [stderr] | |_____^ expected struct `Vec`, found `()` [INFO] [stderr] | [INFO] [stderr] = note: expected struct `Vec` [INFO] [stderr] found unit type `()` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:47:36 [INFO] [stderr] | [INFO] [stderr] 47 | fn encoder(a: (String, String)) -> String { [INFO] [stderr] | ------- ^^^^^^ expected struct `String`, found `()` [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:89:30 [INFO] [stderr] | [INFO] [stderr] 89 | fn filter(list:Vec) -> Vec { [INFO] [stderr] | ------ ^^^^^^^^^ expected struct `Vec`, found `()` [INFO] [stderr] | | [INFO] [stderr] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stderr] | [INFO] [stderr] = note: expected struct `Vec` [INFO] [stderr] found unit type `()` [INFO] [stderr] [INFO] [stderr] error: aborting due to 8 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0308, E0425. [INFO] [stderr] For more information about an error, try `rustc --explain E0308`. [INFO] [stderr] Original diagnostics will follow. [INFO] [stderr] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | return(encode); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | return(code); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | return(encode_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | return(returning_list); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | return(encode); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | return(code); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | return(encode_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | return(returning_list); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `encode_char` is never read [INFO] [stdout] --> src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut encode_char = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `code_value` is never read [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut code_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `encode_char` is never read [INFO] [stdout] --> src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut encode_char = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `code_value` is never read [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut code_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.46s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking french_cypher v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | return(encode); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | return(code); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | return(encode_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | return(returning_list); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `encode_char` is never read [INFO] [stdout] --> src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut encode_char = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `code_value` is never read [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut code_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | return(encode); [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | return(code); [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 86 | return(encode_message); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `return` value [INFO] [stdout] --> src/main.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | return(returning_list); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `encode_char` is never read [INFO] [stdout] --> src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut encode_char = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `code_value` is never read [INFO] [stdout] --> src/main.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | let mut code_value = 0; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.12s [INFO] running `Command { std: "docker" "inspect" "4648e85d615b90db46440711f9ff7a2d8312bb7838fdf24f6f6a693d9edf4831", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4648e85d615b90db46440711f9ff7a2d8312bb7838fdf24f6f6a693d9edf4831", kill_on_drop: false }` [INFO] [stdout] 4648e85d615b90db46440711f9ff7a2d8312bb7838fdf24f6f6a693d9edf4831