[INFO] cloning repository https://github.com/tnktks111/Rust-Piscine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tnktks111/Rust-Piscine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnktks111%2FRust-Piscine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnktks111%2FRust-Piscine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10dccc408f0dd2bea3f56322051e52d7d9733bd8
[INFO] checking tnktks111/Rust-Piscine against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnktks111%2FRust-Piscine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tnktks111/Rust-Piscine
[INFO] finished tweaking git repo https://github.com/tnktks111/Rust-Piscine
[INFO] tweaked toml for git repo https://github.com/tnktks111/Rust-Piscine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tnktks111/Rust-Piscine on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tnktks111/Rust-Piscine 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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 convert_case v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1
[INFO] running `Command { std: "docker" "start" "98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking cpufeatures v0.3.1
[INFO] [stderr]     Checking edit-distance v2.2.2
[INFO] [stderr]     Checking doubtful v0.1.0 (/opt/rustwide/workdir/quest-02/doubtful)
[INFO] [stderr]     Checking scalar v0.1.0 (/opt/rustwide/workdir/quest-01/scalar)
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/quest-02/ownership)
[INFO] [stderr]     Checking hashing v0.1.0 (/opt/rustwide/workdir/quest-03/hashing)
[INFO] [stderr]     Checking tuples_refs v0.1.0 (/opt/rustwide/workdir/quest-01/tuples_refs)
[INFO] [stderr]     Checking bigger v0.1.0 (/opt/rustwide/workdir/quest-03/bigger)
[INFO] [stderr]     Checking convert_case v0.12.0
[INFO] [stderr]     Checking profanity-filter v0.1.0 (/opt/rustwide/workdir/quest-04/profanity-filter)
[INFO] [stderr]     Checking capitalizing v0.1.0 (/opt/rustwide/workdir/quest-03/capitalizing)
[INFO] [stderr]     Checking collect v0.1.0 (/opt/rustwide/workdir/quest-03/collect)
[INFO] [stderr]     Checking find_factorial v0.1.0 (/opt/rustwide/workdir/quest-01/find_factorial)
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking temperature_conv v0.1.0 (/opt/rustwide/workdir/quest-01/temperature_conv)
[INFO] [stderr]     Checking chacha20 v0.10.2
[INFO] [stderr]     Checking shopping_mall v0.1.0 (/opt/rustwide/workdir/quest-05/shopping_mall)
[INFO] [stderr]     Checking arrange_it v0.1.0 (/opt/rustwide/workdir/quest-02/arrange_it)
[INFO] [stderr]     Checking changes v0.1.0 (/opt/rustwide/workdir/quest-02/changes)
[INFO] [stderr]     Checking invert_sentence v0.1.0 (/opt/rustwide/workdir/quest-05/invert_sentence)
[INFO] [stderr]     Checking unwrap_or_expect v0.1.0 (/opt/rustwide/workdir/quest-04/unwrap_or_expect)
[INFO] [stderr]     Checking borrow v0.1.0 (/opt/rustwide/workdir/quest-02/borrow)
[INFO] [stderr]     Checking question_mark v0.1.0 (/opt/rustwide/workdir/quest-04/question_mark)
[INFO] [stderr]     Checking mobs v0.1.0 (/opt/rustwide/workdir/quest-05/mobs)
[INFO] [stderr]     Checking groceries v0.1.0 (/opt/rustwide/workdir/quest-01/groceries)
[INFO] [stderr]     Checking copy v0.1.0 (/opt/rustwide/workdir/quest-02/copy)
[INFO] [stderr]     Checking borrow_me_the_reference v0.1.0 (/opt/rustwide/workdir/quest-02/borrow_me_the_reference)
[INFO] [stderr]     Checking simple_hash v0.1.0 (/opt/rustwide/workdir/quest-03/simple_hash)
[INFO] [stderr]     Checking tic_tac_toe v0.1.0 (/opt/rustwide/workdir/quest-02/tic_tac_toe)
[INFO] [stderr]     Checking arrays v0.1.0 (/opt/rustwide/workdir/quest-03/arrays)
[INFO] [stderr]     Checking matrix_transposition v0.1.0 (/opt/rustwide/workdir/quest-01/matrix_transposition)
[INFO] [stderr]     Checking cipher v0.1.0 (/opt/rustwide/workdir/quest-04/cipher)
[INFO] [stderr]     Checking string_permutation v0.1.0 (/opt/rustwide/workdir/quest-03/string_permutation)
[INFO] [stderr]     Checking does_it_fit v0.1.0 (/opt/rustwide/workdir/quest-05/does_it_fit)
[INFO] [stderr]     Checking reverse_string v0.1.0 (/opt/rustwide/workdir/quest-01/reverse_string)
[INFO] [stderr]     Checking name_initials v0.1.0 (/opt/rustwide/workdir/quest-02/name_initials)
[INFO] [stderr]     Checking handling v0.1.0 (/opt/rustwide/workdir/quest-04/handling)
[INFO] [stderr]     Checking division_and_remainder v0.1.0 (/opt/rustwide/workdir/quest-01/division_and_remainder)
[INFO] [stderr]     Checking to_url v0.1.0 (/opt/rustwide/workdir/quest-03/to_url)
[INFO] [stderr]     Checking speed_transformation v0.1.0 (/opt/rustwide/workdir/quest-01/speed_transformation)
[INFO] [stderr]     Checking banner v0.1.0 (/opt/rustwide/workdir/quest-04/banner)
[INFO] [stderr]     Checking panic v0.1.0 (/opt/rustwide/workdir/quest-04/panic)
[INFO] [stderr]     Checking expected_variable v0.1.0 (/opt/rustwide/workdir/quest-05/expected_variable)
[INFO] [stderr]     Checking circle v0.1.0 (/opt/rustwide/workdir/quest-03/circle)
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/quest-03/strings)
[INFO] [stderr]     Checking boxing_todo v0.1.0 (/opt/rustwide/workdir/quest-04/boxing_todo)
[INFO] [stderr]     Checking macro_calculator v0.1.0 (/opt/rustwide/workdir/quest-05/macro_calculator)
[INFO] [stderr]     Checking string_literals v0.1.0 (/opt/rustwide/workdir/quest-02/string_literals)
[INFO] [stderr]     Checking looping v0.1.0 (/opt/rustwide/workdir/quest-01/looping)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> quest-05/macro_calculator/src/lib.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidNumber(ParseFloatError),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CalorieError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     InvalidNumber(ParseFloatError),
[INFO] [stdout] 16 +     InvalidNumber(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> quest-04/boxing_todo/src/err.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Malformed(Box<dyn Error>),
[INFO] [stdout]   |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Malformed(Box<dyn Error>),
[INFO] [stdout] 6 +     Malformed(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> quest-05/macro_calculator/src/lib.rs:16:19
[INFO] [stdout]    |
[INFO] [stdout] 16 |     InvalidNumber(ParseFloatError),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CalorieError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     InvalidNumber(ParseFloatError),
[INFO] [stdout] 16 +     InvalidNumber(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> quest-04/boxing_todo/src/err.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Malformed(Box<dyn Error>),
[INFO] [stdout]   |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Malformed(Box<dyn Error>),
[INFO] [stdout] 6 +     Malformed(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> quest-02/string_literals/src/lib.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn contains(v: &str, pat: &str) -> bool {}
[INFO] [stdout]    |        --------                        ^^^^ expected `bool`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> quest-02/string_literals/src/lib.rs:21:36
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn find(v: &str, pat: char) -> usize {}
[INFO] [stdout]    |        ----                        ^^^^^ expected `usize`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `string_literals` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1", kill_on_drop: false }`
[INFO] [stdout] 98ce417006cdd1418488aba0ae5122cdc52d788c85f86eb34c67a8fa73754be1
