[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] testing syuni/rust-by-example against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/syuni/rust-by-example on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-6/source/src/8_2_4.rs [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5ed5e4ec191c2111f2b404a432fbd79cb3cc9af78c0fe88559c0bb7d4d387e4 [INFO] running `Command { std: "docker" "start" "-a" "a5ed5e4ec191c2111f2b404a432fbd79cb3cc9af78c0fe88559c0bb7d4d387e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5ed5e4ec191c2111f2b404a432fbd79cb3cc9af78c0fe88559c0bb7d4d387e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5ed5e4ec191c2111f2b404a432fbd79cb3cc9af78c0fe88559c0bb7d4d387e4", kill_on_drop: false }` [INFO] [stdout] a5ed5e4ec191c2111f2b404a432fbd79cb3cc9af78c0fe88559c0bb7d4d387e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5e305bfdb4153c965e2798ef24ea3b59912c0330d43f78e7b3eca21dcf7b438 [INFO] running `Command { std: "docker" "start" "-a" "f5e305bfdb4153c965e2798ef24ea3b59912c0330d43f78e7b3eca21dcf7b438", 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] Compiling rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/9.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | println!("Hello!"); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 12 | say_hello!() [INFO] [stdout] | ------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `say_hello` [INFO] [stdout] = note: this warning originates in the macro `say_hello` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [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: 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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] [stderr] error: could not compile `rust-by-example` due to 3 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected type, found `}` [INFO] [stdout] --> src/14_4_6.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | println!("{} is the first", choose_first(&first, &second)): [INFO] [stdout] | - help: try using a semicolon: `;` [INFO] [stdout] 21 | }; [INFO] [stdout] | ^ expected type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f5e305bfdb4153c965e2798ef24ea3b59912c0330d43f78e7b3eca21dcf7b438", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5e305bfdb4153c965e2798ef24ea3b59912c0330d43f78e7b3eca21dcf7b438", kill_on_drop: false }` [INFO] [stdout] f5e305bfdb4153c965e2798ef24ea3b59912c0330d43f78e7b3eca21dcf7b438