[INFO] cloning repository https://github.com/syuni/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syuni/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b3f4cf9a5219e47165d823446a761a963ce48beb [INFO] checking syuni/rust-by-example against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/syuni/rust-by-example on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/syuni/rust-by-example [INFO] finished tweaking git repo https://github.com/syuni/rust-by-example [INFO] tweaked toml for git repo https://github.com/syuni/rust-by-example written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/syuni/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-5/source/src/8_2_4.rs [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef0807c42b6538bddd348e66f853427da88d71773b68c40f6f79353c0c25ccec [INFO] running `Command { std: "docker" "start" "-a" "ef0807c42b6538bddd348e66f853427da88d71773b68c40f6f79353c0c25ccec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef0807c42b6538bddd348e66f853427da88d71773b68c40f6f79353c0c25ccec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef0807c42b6538bddd348e66f853427da88d71773b68c40f6f79353c0c25ccec", kill_on_drop: false }` [INFO] [stdout] ef0807c42b6538bddd348e66f853427da88d71773b68c40f6f79353c0c25ccec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6c1b5eaa611f4dd394a81678166e74d4aadf921126d83a7d0a46fc8bb6f88e6 [INFO] running `Command { std: "docker" "start" "-a" "b6c1b5eaa611f4dd394a81678166e74d4aadf921126d83a7d0a46fc8bb6f88e6", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/8_2_4.rs [INFO] [stderr] Checking rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: cannot pass `self` by raw pointer [INFO] [stdout] --> src/16_10.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^ cannot pass `self` by raw pointer [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `,` [INFO] [stdout] --> src/13_7_2.rs:10:32 [INFO] [stdout] | [INFO] [stdout] 10 | fn contains(&self, &Self::A, &Self::B) -> bool; [INFO] [stdout] | ^ expected one of 9 possible tokens [INFO] [stdout] | [INFO] [stdout] = note: anonymous parameters are removed in the 2018 edition (see RFC 1685) [INFO] [stdout] help: explicitly ignore the parameter name [INFO] [stdout] | [INFO] [stdout] 10 | fn contains(&self, _: &Self::A, &Self::B) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!`, `(`, `...`, `..=`, `..`, `::`, `:`, `{`, or `|`, found `)` [INFO] [stdout] --> src/13_7_2.rs:10:42 [INFO] [stdout] | [INFO] [stdout] 10 | fn contains(&self, &Self::A, &Self::B) -> bool; [INFO] [stdout] | ^ expected one of 9 possible tokens [INFO] [stdout] | [INFO] [stdout] = note: anonymous parameters are removed in the 2018 edition (see RFC 1685) [INFO] [stdout] help: explicitly ignore the parameter name [INFO] [stdout] | [INFO] [stdout] 10 | fn contains(&self, &Self::A, _: &Self::B) -> bool; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-by-example` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/16_10.rs:6:45 [INFO] [stdout] | [INFO] [stdout] 6 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/16_10.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/16_10.rs:39:31 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stdout] | ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from [INFO] [stdout] help: consider using the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&'static error::Error> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stdout] error: cannot pass `self` by raw pointer [INFO] [stdout] --> src/16_10.rs:39:15 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^ cannot pass `self` by raw pointer [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `noisy_unused_function` [INFO] [stdout] --> src/12_1.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn noisy_unused_function() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/17_5_1.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!(match why { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 49 | | MathError::NegativeLogarithm => "logarithm of negative number", [INFO] [stdout] 50 | | MathError::DivisionByZero => "division by zero", [INFO] [stdout] 51 | | MathError::NegativeSquareRoot => "square root of negative number", [INFO] [stdout] 52 | | }), [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!("{}", match why { [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => std::panic::panic_any(match why { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `function` [INFO] [stdout] --> src/10_4.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn function() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/16_10.rs:6:45 [INFO] [stdout] | [INFO] [stdout] 6 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/16_10.rs:39:32 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/16_10.rs:39:31 [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stdout] | ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from [INFO] [stdout] help: consider using the `'static` lifetime [INFO] [stdout] | [INFO] [stdout] 39 | fn cause(*self) -> Option<&'static error::Error> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/17_5_1.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!(match why { [INFO] [stdout] | ________________________________^ [INFO] [stdout] 49 | | MathError::NegativeLogarithm => "logarithm of negative number", [INFO] [stdout] 50 | | MathError::DivisionByZero => "division by zero", [INFO] [stdout] 51 | | MathError::NegativeSquareRoot => "square root of negative number", [INFO] [stdout] 52 | | }), [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => panic!("{}", match why { [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 48 | Err(why) => std::panic::panic_any(match why { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b6c1b5eaa611f4dd394a81678166e74d4aadf921126d83a7d0a46fc8bb6f88e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6c1b5eaa611f4dd394a81678166e74d4aadf921126d83a7d0a46fc8bb6f88e6", kill_on_drop: false }` [INFO] [stdout] b6c1b5eaa611f4dd394a81678166e74d4aadf921126d83a7d0a46fc8bb6f88e6