[INFO] fetching crate evitable 0.5.0...
[INFO] testing evitable-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate evitable 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate evitable 0.5.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evitable 0.5.0
[INFO] finished tweaking crates.io crate evitable 0.5.0
[INFO] tweaked toml for crates.io crate evitable 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e69f53263ba3cfae5137b0d294050a7e3d44f14fb1bf86520c92505fff287650
[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" "e69f53263ba3cfae5137b0d294050a7e3d44f14fb1bf86520c92505fff287650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e69f53263ba3cfae5137b0d294050a7e3d44f14fb1bf86520c92505fff287650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69f53263ba3cfae5137b0d294050a7e3d44f14fb1bf86520c92505fff287650", kill_on_drop: false }`
[INFO] [stdout] e69f53263ba3cfae5137b0d294050a7e3d44f14fb1bf86520c92505fff287650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "build" "--frozen" "--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] 4d8d4223e87e54382fe63cb4e237c245508be41aaa255a3c480e99cde7c95e89
[INFO] running `Command { std: "docker" "start" "-a" "4d8d4223e87e54382fe63cb4e237c245508be41aaa255a3c480e99cde7c95e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0
[INFO] [stderr]    Compiling evitable-derive-core v0.5.0
[INFO] [stderr]    Compiling evitable-derive v0.5.0
[INFO] [stderr]    Compiling evitable v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "4d8d4223e87e54382fe63cb4e237c245508be41aaa255a3c480e99cde7c95e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8d4223e87e54382fe63cb4e237c245508be41aaa255a3c480e99cde7c95e89", kill_on_drop: false }`
[INFO] [stdout] 4d8d4223e87e54382fe63cb4e237c245508be41aaa255a3c480e99cde7c95e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80632c62062b36ca39236d1cfe2a10983f01493da92a9b443262bce8bf2571b0
[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" "80632c62062b36ca39236d1cfe2a10983f01493da92a9b443262bce8bf2571b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling evitable v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> tests/macros.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fail!(Context::Io);
[INFO] [stdout]    |     ------------------- any code following this expression is unreachable
[INFO] [stdout] 27 | 
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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 2.99s
[INFO] running `Command { std: "docker" "inspect" "80632c62062b36ca39236d1cfe2a10983f01493da92a9b443262bce8bf2571b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80632c62062b36ca39236d1cfe2a10983f01493da92a9b443262bce8bf2571b0", kill_on_drop: false }`
[INFO] [stdout] 80632c62062b36ca39236d1cfe2a10983f01493da92a9b443262bce8bf2571b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 969083e8ef0a3bc07aca499103c53f38bb694591ed6e3b4ecc762a22f0cdfec3
[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" "969083e8ef0a3bc07aca499103c53f38bb694591ed6e3b4ecc762a22f0cdfec3", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> tests/macros.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fail!(Context::Io);
[INFO] [stderr]    |     ------------------- any code following this expression is unreachable
[INFO] [stderr] 27 | 
[INFO] [stderr] 28 |     Ok(())
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/evitable-9462e74fc27cbcca
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/display-456e497921b88131
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test unit_struct::test ... ok
[INFO] [stdout] test named_struct::test ... ok
[INFO] [stdout] test all_enum::test ... ok
[INFO] [stdout] test unnamed_struct::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_other-fb41760d71f917a0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/macros-fb2f67ef027b9bda
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test ensure ... ok
[INFO] [stdout] test fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/multiple-dde0f0a52b5dddc2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_both ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-439757624a2dda3b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/struct_clone_copy-25f841dae3d2ba89
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test clone::display ... ok
[INFO] [stdout] test clone::error_context_cloned ... ok
[INFO] [stdout] test copy::error_context_copied ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/with_context-3afc4ea65aebc051
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test from_io ... ok
[INFO] [stdout] test option_context ... ok
[INFO] [stdout] test from_io_with_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evitable
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - ErrorContext::kind (line 226) ... ok
[INFO] [stdout] test src/lib.rs - ErrorContext::into_error (line 260) ... ok
[INFO] [stdout] test src/lib.rs - EvitableError::new (line 111) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::context (line 290) ... ok
[INFO] [stdout] test src/lib.rs - EvitableError::from_error_context (line 192) ... ok
[INFO] [stdout] test src/lib.rs - EvitableError::kind (line 128) ... ok
[INFO] [stdout] test src/lib.rs - EvitableError::from_context (line 168) ... ok
[INFO] [stdout] test src/lib.rs - fail (line 418) ... ok
[INFO] [stdout] test src/lib.rs - ResultExt::context_with (line 333) ... ok
[INFO] [stdout] test src/lib.rs - ensure (line 384) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "969083e8ef0a3bc07aca499103c53f38bb694591ed6e3b4ecc762a22f0cdfec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969083e8ef0a3bc07aca499103c53f38bb694591ed6e3b4ecc762a22f0cdfec3", kill_on_drop: false }`
[INFO] [stdout] 969083e8ef0a3bc07aca499103c53f38bb694591ed6e3b4ecc762a22f0cdfec3