[INFO] fetching crate simple-error 0.2.3... [INFO] testing simple-error-0.2.3 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate simple-error 0.2.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate simple-error 0.2.3 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate simple-error 0.2.3 [INFO] finished tweaking crates.io crate simple-error 0.2.3 [INFO] tweaked toml for crates.io crate simple-error 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 962b3d279244f3be2d760780be929e003d9c6eebb237341f5beefb9b8b299e16 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "962b3d279244f3be2d760780be929e003d9c6eebb237341f5beefb9b8b299e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "962b3d279244f3be2d760780be929e003d9c6eebb237341f5beefb9b8b299e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "962b3d279244f3be2d760780be929e003d9c6eebb237341f5beefb9b8b299e16", kill_on_drop: false }` [INFO] [stdout] 962b3d279244f3be2d760780be929e003d9c6eebb237341f5beefb9b8b299e16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ed017ee4616e3596d2b799abf584f074910559d60cbfb7893583396e734a77a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7ed017ee4616e3596d2b799abf584f074910559d60cbfb7893583396e734a77a", kill_on_drop: false }` [INFO] [stderr] Compiling simple-error v0.2.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "7ed017ee4616e3596d2b799abf584f074910559d60cbfb7893583396e734a77a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed017ee4616e3596d2b799abf584f074910559d60cbfb7893583396e734a77a", kill_on_drop: false }` [INFO] [stdout] 7ed017ee4616e3596d2b799abf584f074910559d60cbfb7893583396e734a77a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 853992a9a86c41f0af4be8f663e808a49364950e4f4b0668398168d91657528e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "853992a9a86c41f0af4be8f663e808a49364950e4f4b0668398168d91657528e", kill_on_drop: false }` [INFO] [stderr] Compiling simple-error v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:437:66 [INFO] [stdout] | [INFO] [stdout] 437 | fn bail_block_format_to_box_error(s: &str) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn 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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:375:48 [INFO] [stdout] | [INFO] [stdout] 375 | assert_eq!("an error from String", err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "853992a9a86c41f0af4be8f663e808a49364950e4f4b0668398168d91657528e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "853992a9a86c41f0af4be8f663e808a49364950e4f4b0668398168d91657528e", kill_on_drop: false }` [INFO] [stdout] 853992a9a86c41f0af4be8f663e808a49364950e4f4b0668398168d91657528e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0b9424bda309a3a853c8a0e49f8b77d74794fe2e9fedbff4a408b97abed4ea53 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0b9424bda309a3a853c8a0e49f8b77d74794fe2e9fedbff4a408b97abed4ea53", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 6 tests [INFO] [stderr] --> src/lib.rs:437:66 [INFO] [stdout] test tests::from_io_error ... ok [INFO] [stderr] | [INFO] [stdout] test tests::macro_try_with ... ok [INFO] [stderr] 437 | fn bail_block_format_to_box_error(s: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:375:48 [INFO] [stderr] | [INFO] [stderr] 375 | assert_eq!("an error from String", err.description()); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/simple_error-f257405349bcec6d) [INFO] [stdout] test tests::macro_bail ... ok [INFO] [stdout] test tests::macro_require_with ... ok [INFO] [stdout] test tests::new_from_string ... ok [INFO] [stdout] test tests::new_from_str ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests simple-error [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - require_with (line 192) ... ok [INFO] [stdout] test src/lib.rs - SimpleError::with (line 74) ... ok [INFO] [stdout] test src/lib.rs - simple_error (line 298) ... ok [INFO] [stdout] test src/lib.rs - bail (line 247) ... ok [INFO] [stdout] test src/lib.rs - map_err_with (line 330) ... ok [INFO] [stdout] test src/lib.rs - try_with (line 135) ... ok [INFO] [stdout] test src/lib.rs - SimpleError::new (line 31) ... ok [INFO] [stdout] test src/lib.rs - SimpleError::from (line 52) ... ok [INFO] [stdout] test src/lib.rs - SimpleError::as_str (line 89) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.39s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0b9424bda309a3a853c8a0e49f8b77d74794fe2e9fedbff4a408b97abed4ea53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b9424bda309a3a853c8a0e49f8b77d74794fe2e9fedbff4a408b97abed4ea53", kill_on_drop: false }` [INFO] [stdout] 0b9424bda309a3a853c8a0e49f8b77d74794fe2e9fedbff4a408b97abed4ea53