[INFO] fetching crate tiro 0.2.1...
[INFO] testing tiro-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tiro 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate tiro 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiro 0.2.1
[INFO] finished tweaking crates.io crate tiro 0.2.1
[INFO] tweaked toml for crates.io crate tiro 0.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate tiro 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55fb5e2eef7d3545b729a397c454440a94fd6c3dd029726dec8ec789e90b513d
[INFO] running `Command { std: "docker" "start" "-a" "55fb5e2eef7d3545b729a397c454440a94fd6c3dd029726dec8ec789e90b513d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55fb5e2eef7d3545b729a397c454440a94fd6c3dd029726dec8ec789e90b513d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fb5e2eef7d3545b729a397c454440a94fd6c3dd029726dec8ec789e90b513d", kill_on_drop: false }`
[INFO] [stdout] 55fb5e2eef7d3545b729a397c454440a94fd6c3dd029726dec8ec789e90b513d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43138fa919334206e2d9ffafc014ba5e8ea6a5b74a2a5429526dc54622e63154
[INFO] running `Command { std: "docker" "start" "-a" "43138fa919334206e2d9ffafc014ba5e8ea6a5b74a2a5429526dc54622e63154", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling vergen v3.2.0
[INFO] [stderr]    Compiling notify-rust v3.6.3
[INFO] [stderr]    Compiling tiro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling git2 v0.13.21
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     e: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `TiroError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[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 dev [unoptimized + debuginfo] target(s) in 19.21s
[INFO] running `Command { std: "docker" "inspect" "43138fa919334206e2d9ffafc014ba5e8ea6a5b74a2a5429526dc54622e63154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43138fa919334206e2d9ffafc014ba5e8ea6a5b74a2a5429526dc54622e63154", kill_on_drop: false }`
[INFO] [stdout] 43138fa919334206e2d9ffafc014ba5e8ea6a5b74a2a5429526dc54622e63154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fd145cbbeca252554496df71316a6428539b9611d37798606b8e1f68ce9534c
[INFO] running `Command { std: "docker" "start" "-a" "4fd145cbbeca252554496df71316a6428539b9611d37798606b8e1f68ce9534c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tiro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `e`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     e: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `TiroError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug)]
[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 2.49s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tiro-f70a7d031eeb5212)
[INFO] running `Command { std: "docker" "inspect" "4fd145cbbeca252554496df71316a6428539b9611d37798606b8e1f68ce9534c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd145cbbeca252554496df71316a6428539b9611d37798606b8e1f68ce9534c", kill_on_drop: false }`
[INFO] [stdout] 4fd145cbbeca252554496df71316a6428539b9611d37798606b8e1f68ce9534c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8c00273b506c22ec4a8d9e4af4baeb29a6644e14f950a7fe59922033eabc60c
[INFO] running `Command { std: "docker" "start" "-a" "f8c00273b506c22ec4a8d9e4af4baeb29a6644e14f950a7fe59922033eabc60c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `e`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     e: String,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `TiroError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug)]
[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: `tiro` (bin "tiro" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tiro-f70a7d031eeb5212)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test config::tests::parse_as_path_buf ... ok
[INFO] [stdout] test parse::tests::parsing_1 ... ok
[INFO] [stdout] test config::tests::test_2 ... ok
[INFO] [stdout] test merge::tests::are_compatible_2 ... ok
[INFO] [stdout] test merge::tests::are_compatible_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8c00273b506c22ec4a8d9e4af4baeb29a6644e14f950a7fe59922033eabc60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c00273b506c22ec4a8d9e4af4baeb29a6644e14f950a7fe59922033eabc60c", kill_on_drop: false }`
[INFO] [stdout] f8c00273b506c22ec4a8d9e4af4baeb29a6644e14f950a7fe59922033eabc60c