[INFO] crate simple-error 0.2.1 is already in cache
[INFO] testing simple-error-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate simple-error 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple-error 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate simple-error 0.2.1
[INFO] finished tweaking crates.io crate simple-error 0.2.1
[INFO] tweaked toml for crates.io crate simple-error 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51ff5367209ce8b9616cd5bfcfe90d69b3256c79442d18dc96da3a47f94e02af
[INFO] running `"docker" "start" "-a" "51ff5367209ce8b9616cd5bfcfe90d69b3256c79442d18dc96da3a47f94e02af"`
[INFO] [stderr]    Compiling simple-error v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "51ff5367209ce8b9616cd5bfcfe90d69b3256c79442d18dc96da3a47f94e02af"`
[INFO] running `"docker" "rm" "-f" "51ff5367209ce8b9616cd5bfcfe90d69b3256c79442d18dc96da3a47f94e02af"`
[INFO] [stdout] 51ff5367209ce8b9616cd5bfcfe90d69b3256c79442d18dc96da3a47f94e02af
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] defd7a1a4020573d8f33979c6ceacd23b0be7d4d7f6d964fc1e2a22dd1cee75f
[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" "defd7a1a4020573d8f33979c6ceacd23b0be7d4d7f6d964fc1e2a22dd1cee75f"`
[INFO] [stderr]    Compiling simple-error v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:372:66
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn bail_block_format_to_box_error(s: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` 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/lib.rs:310:48
[INFO] [stderr]     |
[INFO] [stderr] 310 |         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 1.36s
[INFO] running `"docker" "inspect" "defd7a1a4020573d8f33979c6ceacd23b0be7d4d7f6d964fc1e2a22dd1cee75f"`
[INFO] running `"docker" "rm" "-f" "defd7a1a4020573d8f33979c6ceacd23b0be7d4d7f6d964fc1e2a22dd1cee75f"`
[INFO] [stdout] defd7a1a4020573d8f33979c6ceacd23b0be7d4d7f6d964fc1e2a22dd1cee75f
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 837a2dfd1576720160cad66ac389c26064a94b564cf6b1d8a56db0188ae82807
[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" "837a2dfd1576720160cad66ac389c26064a94b564cf6b1d8a56db0188ae82807"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:372:66
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn bail_block_format_to_box_error(s: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` 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/lib.rs:310:48
[INFO] [stderr]     |
[INFO] [stderr] 310 |         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 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_error-3f215019948bc981
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::new_from_str ... ok
[INFO] [stdout] test tests::new_from_string ... ok
[INFO] [stdout] test tests::macro_try_with ... ok
[INFO] [stdout] test tests::macro_bail ... ok
[INFO] [stdout] test tests::macro_require_with ... ok
[INFO] [stderr]    Doc-tests simple-error
[INFO] [stdout] test tests::from_io_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - bail (line 247) ... ok
[INFO] [stdout] test src/lib.rs - require_with (line 192) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::as_str (line 89) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs - try_with (line 135) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::from (line 52) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::with (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "837a2dfd1576720160cad66ac389c26064a94b564cf6b1d8a56db0188ae82807"`
[INFO] running `"docker" "rm" "-f" "837a2dfd1576720160cad66ac389c26064a94b564cf6b1d8a56db0188ae82807"`
[INFO] [stdout] 837a2dfd1576720160cad66ac389c26064a94b564cf6b1d8a56db0188ae82807