[INFO] updating cached repository https://github.com/syuni/rust-by-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b3f4cf9a5219e47165d823446a761a963ce48beb [INFO] checking syuni/rust-by-example against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/syuni/rust-by-example on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [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-1/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 `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-1/source/src/8_2_4.rs [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 683bc0f10b9c2ad9ef2506f3cbeaf2b580d2c0647cb9ee71f685d8de76bd9d5b [INFO] running `"docker" "start" "-a" "683bc0f10b9c2ad9ef2506f3cbeaf2b580d2c0647cb9ee71f685d8de76bd9d5b"` [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] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/6.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | 2 * x; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] error: cannot pass `self` by raw pointer [INFO] [stderr] --> src/16_10.rs:39:15 [INFO] [stderr] | [INFO] [stderr] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^ cannot pass `self` by raw pointer [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/16_10.rs:6:45 [INFO] [stderr] | [INFO] [stderr] 6 | type Result = std::result::Result>; [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/16_10.rs:39:32 [INFO] [stderr] | [INFO] [stderr] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] [INFO] [stderr] error[E0106]: missing lifetime specifier [INFO] [stderr] --> src/16_10.rs:39:31 [INFO] [stderr] | [INFO] [stderr] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stderr] | ^ help: consider giving it a 'static lifetime: `&'static` [INFO] [stderr] | [INFO] [stderr] = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from [INFO] [stderr] [INFO] [stderr] error[E0228]: the lifetime bound for this object type cannot be deduced from context; please supply an explicit bound [INFO] [stderr] --> src/16_10.rs:39:32 [INFO] [stderr] | [INFO] [stderr] 39 | fn cause(*self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0106`. [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] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/6.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | 2 * x; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/18_4_2.rs:20:63 [INFO] [stderr] | [INFO] [stderr] 20 | Err(why) => panic!("couldn't create {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/18_4_2.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | Error::description(&why) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected type, found `}` [INFO] [stderr] --> src/14_4_6.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 20 | println!("{} is the first", choose_first(&first, &second)): [INFO] [stderr] | - help: try using a semicolon: `;` [INFO] [stderr] 21 | }; [INFO] [stderr] | ^ expected type [INFO] [stderr] | [INFO] [stderr] = note: `#![feature(type_ascription)]` lets you annotate an expression with a type: `: ` [INFO] [stderr] = note: see issue #23416 for more information [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/18_4_1.rs:14:61 [INFO] [stderr] | [INFO] [stderr] 14 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/18_4_1.rs:21:61 [INFO] [stderr] | [INFO] [stderr] 21 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [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] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "683bc0f10b9c2ad9ef2506f3cbeaf2b580d2c0647cb9ee71f685d8de76bd9d5b"` [INFO] running `"docker" "rm" "-f" "683bc0f10b9c2ad9ef2506f3cbeaf2b580d2c0647cb9ee71f685d8de76bd9d5b"` [INFO] [stdout] 683bc0f10b9c2ad9ef2506f3cbeaf2b580d2c0647cb9ee71f685d8de76bd9d5b