[INFO] fetching crate fragile 1.0.0...
[INFO] testing fragile-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fragile 1.0.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate fragile 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fragile 1.0.0
[INFO] finished tweaking crates.io crate fragile 1.0.0
[INFO] tweaked toml for crates.io crate fragile 1.0.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8a022e054900d3b99eee893fc9b98b52cbed5067eb0c62da2569739dae1e5f
[INFO] running `Command { std: "docker" "start" "-a" "bd8a022e054900d3b99eee893fc9b98b52cbed5067eb0c62da2569739dae1e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8a022e054900d3b99eee893fc9b98b52cbed5067eb0c62da2569739dae1e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8a022e054900d3b99eee893fc9b98b52cbed5067eb0c62da2569739dae1e5f", kill_on_drop: false }`
[INFO] [stdout] bd8a022e054900d3b99eee893fc9b98b52cbed5067eb0c62da2569739dae1e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d99ffa79337ce967a613a20b73f334b5b091f5cf53f14fbbe8b499b5955104
[INFO] running `Command { std: "docker" "start" "-a" "50d99ffa79337ce967a613a20b73f334b5b091f5cf53f14fbbe8b499b5955104", kill_on_drop: false }`
[INFO] [stderr]    Compiling fragile v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |         fmt::Display::fmt(error::Error::description(self), f)
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "50d99ffa79337ce967a613a20b73f334b5b091f5cf53f14fbbe8b499b5955104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d99ffa79337ce967a613a20b73f334b5b091f5cf53f14fbbe8b499b5955104", kill_on_drop: false }`
[INFO] [stdout] 50d99ffa79337ce967a613a20b73f334b5b091f5cf53f14fbbe8b499b5955104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7f3ba6790b9032a4c41028e5611989eed7c84105e1b91fd1b8f92068612ef18
[INFO] running `Command { std: "docker" "start" "-a" "f7f3ba6790b9032a4c41028e5611989eed7c84105e1b91fd1b8f92068612ef18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |         fmt::Display::fmt(error::Error::description(self), f)
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fragile v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[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/errors.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |         fmt::Display::fmt(error::Error::description(self), f)
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "f7f3ba6790b9032a4c41028e5611989eed7c84105e1b91fd1b8f92068612ef18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f3ba6790b9032a4c41028e5611989eed7c84105e1b91fd1b8f92068612ef18", kill_on_drop: false }`
[INFO] [stdout] f7f3ba6790b9032a4c41028e5611989eed7c84105e1b91fd1b8f92068612ef18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c2d27602b615f1fd08d27c1af06d8327003f56a92a731c6d53c8e00b825d6bf
[INFO] running `Command { std: "docker" "start" "-a" "9c2d27602b615f1fd08d27c1af06d8327003f56a92a731c6d53c8e00b825d6bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 18 tests
[INFO] [stderr]   --> src/errors.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 |         fmt::Display::fmt(error::Error::description(self), f)
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fragile` (lib) generated 1 warning
[INFO] [stderr] warning: `fragile` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fragile-b165bddef20e7ba2)
[INFO] [stdout] test fragile::test_mut ... ok
[INFO] [stdout] test fragile::test_basic ... ok
[INFO] [stdout] test semisticky::test_drop_same_thread ... ok
[INFO] [stdout] test fragile::test_noop_drop_elsewhere ... ok
[INFO] [stdout] test semisticky::test_mut ... ok
[INFO] [stdout] test fragile::test_rc_sending ... ok
[INFO] [stdout] test semisticky::test_noop_drop_elsewhere ... ok
[INFO] [stdout] test sticky::test_drop_same_thread ... ok
[INFO] [stdout] test sticky::test_mut ... ok
[INFO] [stdout] test semisticky::test_rc_sending ... ok
[INFO] [stdout] test semisticky::test_basic ... ok
[INFO] [stdout] test sticky::test_basic ... ok
[INFO] [stdout] test fragile::test_panic_on_drop_elsewhere ... ok
[INFO] [stdout] test sticky::test_rc_sending ... ok
[INFO] [stdout] test fragile::test_access_other_thread - should panic ... ok
[INFO] [stdout] test semisticky::test_access_other_thread - should panic ... ok
[INFO] [stdout] test sticky::test_access_other_thread - should panic ... ok
[INFO] [stdout] test sticky::test_noop_drop_elsewhere ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fragile
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c2d27602b615f1fd08d27c1af06d8327003f56a92a731c6d53c8e00b825d6bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2d27602b615f1fd08d27c1af06d8327003f56a92a731c6d53c8e00b825d6bf", kill_on_drop: false }`
[INFO] [stdout] 9c2d27602b615f1fd08d27c1af06d8327003f56a92a731c6d53c8e00b825d6bf