[INFO] fetching crate simple-error 0.2.2...
[INFO] testing simple-error-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate simple-error 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate simple-error 0.2.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-error 0.2.2
[INFO] finished tweaking crates.io crate simple-error 0.2.2
[INFO] tweaked toml for crates.io crate simple-error 0.2.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4473165da3b05e379d2bd94f8a4538e225020f67fd8a25c4fc5f645abbcb60f
[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" "f4473165da3b05e379d2bd94f8a4538e225020f67fd8a25c4fc5f645abbcb60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4473165da3b05e379d2bd94f8a4538e225020f67fd8a25c4fc5f645abbcb60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4473165da3b05e379d2bd94f8a4538e225020f67fd8a25c4fc5f645abbcb60f", kill_on_drop: false }`
[INFO] [stdout] f4473165da3b05e379d2bd94f8a4538e225020f67fd8a25c4fc5f645abbcb60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f24ef63a8c250fe080b49119ba321202688664f7e66b3bdffa9c3e30b4273d29
[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" "f24ef63a8c250fe080b49119ba321202688664f7e66b3bdffa9c3e30b4273d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-error v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "f24ef63a8c250fe080b49119ba321202688664f7e66b3bdffa9c3e30b4273d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24ef63a8c250fe080b49119ba321202688664f7e66b3bdffa9c3e30b4273d29", kill_on_drop: false }`
[INFO] [stdout] f24ef63a8c250fe080b49119ba321202688664f7e66b3bdffa9c3e30b4273d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 884ac24394edae352cabed5fe716ca14f3b0833caf2af247e63f94713fd5c9c9
[INFO] running `Command { std: "docker" "start" "-a" "884ac24394edae352cabed5fe716ca14f3b0833caf2af247e63f94713fd5c9c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-error v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:405:66
[INFO] [stdout]     |
[INFO] [stdout] 405 |     fn bail_block_format_to_box_error(s: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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:343:48
[INFO] [stdout]     |
[INFO] [stdout] 343 |         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 1.07s
[INFO] running `Command { std: "docker" "inspect" "884ac24394edae352cabed5fe716ca14f3b0833caf2af247e63f94713fd5c9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884ac24394edae352cabed5fe716ca14f3b0833caf2af247e63f94713fd5c9c9", kill_on_drop: false }`
[INFO] [stdout] 884ac24394edae352cabed5fe716ca14f3b0833caf2af247e63f94713fd5c9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76d8ddc53b9e51a04c2c862a29819375f9ea2c790056d7a8fa414b5e01dde703
[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" "76d8ddc53b9e51a04c2c862a29819375f9ea2c790056d7a8fa414b5e01dde703", 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:405:66
[INFO] [stdout] test tests::from_io_error ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::macro_bail ... ok
[INFO] [stderr] 405 |     fn bail_block_format_to_box_error(s: &str) -> Result<(), Box<Error>> {
[INFO] [stdout] test tests::macro_try_with ... ok
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] test tests::macro_require_with ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::new_from_string ... ok
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test tests::new_from_str ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    --> src/lib.rs:343:48
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr] 343 |         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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_error-9ad1a92811fab453
[INFO] [stderr]    Doc-tests simple-error
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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 - require_with (line 192) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::from (line 52) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::as_str (line 89) ... ok
[INFO] [stdout] test src/lib.rs - try_with (line 135) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::with (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76d8ddc53b9e51a04c2c862a29819375f9ea2c790056d7a8fa414b5e01dde703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d8ddc53b9e51a04c2c862a29819375f9ea2c790056d7a8fa414b5e01dde703", kill_on_drop: false }`
[INFO] [stdout] 76d8ddc53b9e51a04c2c862a29819375f9ea2c790056d7a8fa414b5e01dde703