[INFO] updating cached repository https://github.com/yagince/programming-rust [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] 2fb11ea3e31e1d7584b541293cb56108d4b4ac0f [INFO] checking yagince/programming-rust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyagince%2Fprogramming-rust" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yagince/programming-rust 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/yagince/programming-rust [INFO] finished tweaking git repo https://github.com/yagince/programming-rust [INFO] tweaked toml for git repo https://github.com/yagince/programming-rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/yagince/programming-rust 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] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] f684865ebccb2ffa191c2dbf94bae7cd512a03a581956d4cfedd688be5d2a2bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "f684865ebccb2ffa191c2dbf94bae7cd512a03a581956d4cfedd688be5d2a2bd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking samples v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::Result` [INFO] [stderr] --> src/bin/6_4_1_if_let.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid [INFO] [stderr] --> src/bin/6_13_cast.rs:8:18 [INFO] [stderr] | [INFO] [stderr] 8 | let x: i32 = i as i32; // 整数では表せないので、０になる [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] warning: unused import: `std::io::Result` [INFO] [stderr] --> src/bin/6_4_1_if_let.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid [INFO] [stderr] --> src/bin/6_13_cast.rs:8:18 [INFO] [stderr] | [INFO] [stderr] 8 | let x: i32 = i as i32; // 整数では表せないので、０になる [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: could not compile `samples`. [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] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] warning: unused variable: `a_2` [INFO] [stderr] --> src/bin/4_3_copy.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let a_2 = a; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_a_2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error: could not compile `samples`. [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/bin/4_4_rc_arc.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let t = s.clone(); // cloneすると参照カウントがインクリメントされるが実際はコピーされない [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/bin/4_4_rc_arc.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let u = s.clone(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/4_4_rc_arc.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut s = Rc::new("hoge".to_string()); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/bin/5_2_6_lifetime_parameter.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | y: &'b i32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "f684865ebccb2ffa191c2dbf94bae7cd512a03a581956d4cfedd688be5d2a2bd"` [INFO] running `"docker" "rm" "-f" "f684865ebccb2ffa191c2dbf94bae7cd512a03a581956d4cfedd688be5d2a2bd"` [INFO] [stdout] f684865ebccb2ffa191c2dbf94bae7cd512a03a581956d4cfedd688be5d2a2bd