[INFO] fetching crate errer_derive 0.13.1...
[INFO] testing errer_derive-0.13.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate errer_derive 0.13.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate errer_derive 0.13.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errer_derive 0.13.1
[INFO] finished tweaking crates.io crate errer_derive 0.13.1
[INFO] tweaked toml for crates.io crate errer_derive 0.13.1 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 373d063edddc1644064be5ca6d5dc970e8b9aeda5769f78fc2bca02daee9bfc1
[INFO] running `Command { std: "docker" "start" "-a" "373d063edddc1644064be5ca6d5dc970e8b9aeda5769f78fc2bca02daee9bfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373d063edddc1644064be5ca6d5dc970e8b9aeda5769f78fc2bca02daee9bfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373d063edddc1644064be5ca6d5dc970e8b9aeda5769f78fc2bca02daee9bfc1", kill_on_drop: false }`
[INFO] [stdout] 373d063edddc1644064be5ca6d5dc970e8b9aeda5769f78fc2bca02daee9bfc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd478448f5b5fbbf1b90ba3cee501ae45f372982b4d60136c1d906a49636857
[INFO] running `Command { std: "docker" "start" "-a" "4bd478448f5b5fbbf1b90ba3cee501ae45f372982b4d60136c1d906a49636857", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling errer v0.13.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling errer_derive v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.63s
[INFO] running `Command { std: "docker" "inspect" "4bd478448f5b5fbbf1b90ba3cee501ae45f372982b4d60136c1d906a49636857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd478448f5b5fbbf1b90ba3cee501ae45f372982b4d60136c1d906a49636857", kill_on_drop: false }`
[INFO] [stdout] 4bd478448f5b5fbbf1b90ba3cee501ae45f372982b4d60136c1d906a49636857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c513f83edd48c47526e1ae296557e67241cb72aba1c9ef02f9a8ce29d80491e
[INFO] running `Command { std: "docker" "start" "-a" "4c513f83edd48c47526e1ae296557e67241cb72aba1c9ef02f9a8ce29d80491e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling errer_derive v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `from`
[INFO] [stdout]   --> tests/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Y {from: std::ffi::NulError}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `StdEnumTest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> tests/main.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[derive(Debug, Errer)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "4c513f83edd48c47526e1ae296557e67241cb72aba1c9ef02f9a8ce29d80491e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c513f83edd48c47526e1ae296557e67241cb72aba1c9ef02f9a8ce29d80491e", kill_on_drop: false }`
[INFO] [stdout] 4c513f83edd48c47526e1ae296557e67241cb72aba1c9ef02f9a8ce29d80491e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ce6e7b886e4070ce8ec82a978174f35b95075bff44b328b4c099210189f99f2
[INFO] running `Command { std: "docker" "start" "-a" "2ce6e7b886e4070ce8ec82a978174f35b95075bff44b328b4c099210189f99f2", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `from`
[INFO] [stderr]   --> tests/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Y {from: std::ffi::NulError}
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `StdEnumTest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> tests/main.rs:64:10
[INFO] [stderr]    |
[INFO] [stderr] 64 | #[derive(Debug, Errer)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `errer_derive` (test "main") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/errer_derive-95ae7a2bbe70c780)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-dc11bfda004a5cda)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test enum_display ... ok
[INFO] [stdout] test context ... ok
[INFO] [stdout] test from_tests ... ok
[INFO] [stdout] test macro_test3::main_test ... ok
[INFO] [stdout] test struct_display ... ok
[INFO] [stdout] test macro_test::main_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests errer_derive
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ce6e7b886e4070ce8ec82a978174f35b95075bff44b328b4c099210189f99f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce6e7b886e4070ce8ec82a978174f35b95075bff44b328b4c099210189f99f2", kill_on_drop: false }`
[INFO] [stdout] 2ce6e7b886e4070ce8ec82a978174f35b95075bff44b328b4c099210189f99f2