[INFO] fetching crate tobu 0.1.0...
[INFO] testing tobu-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tobu 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate tobu 0.1.0 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 tobu 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tobu 0.1.0
[INFO] tweaked toml for crates.io crate tobu 0.1.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate tobu 0.1.0 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 7c344cf985eb4c12a720108e31bd4f0373ecc8f1236c8e9d5b0bcb6aaa17d14c
[INFO] running `Command { std: "docker" "start" "-a" "7c344cf985eb4c12a720108e31bd4f0373ecc8f1236c8e9d5b0bcb6aaa17d14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c344cf985eb4c12a720108e31bd4f0373ecc8f1236c8e9d5b0bcb6aaa17d14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c344cf985eb4c12a720108e31bd4f0373ecc8f1236c8e9d5b0bcb6aaa17d14c", kill_on_drop: false }`
[INFO] [stdout] 7c344cf985eb4c12a720108e31bd4f0373ecc8f1236c8e9d5b0bcb6aaa17d14c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] fdca75b0d1f33faae422c1cf862df822e60fe2b1dac3e224172846b9d3aae949
[INFO] running `Command { std: "docker" "start" "-a" "fdca75b0d1f33faae422c1cf862df822e60fe2b1dac3e224172846b9d3aae949", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling tobu-format v0.1.0
[INFO] [stderr]    Compiling tobu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> src/de.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     parser: Parser,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field`
[INFO] [stdout]   --> src/de.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     field: WireField,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/de.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn next(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "fdca75b0d1f33faae422c1cf862df822e60fe2b1dac3e224172846b9d3aae949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdca75b0d1f33faae422c1cf862df822e60fe2b1dac3e224172846b9d3aae949", kill_on_drop: false }`
[INFO] [stdout] fdca75b0d1f33faae422c1cf862df822e60fe2b1dac3e224172846b9d3aae949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 3da773fa48f7b5fd6237d5d6bbdbcb9d93742987dcff7a560dae88079f657fe1
[INFO] running `Command { std: "docker" "start" "-a" "3da773fa48f7b5fd6237d5d6bbdbcb9d93742987dcff7a560dae88079f657fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> src/de.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     parser: Parser,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field`
[INFO] [stdout]   --> src/de.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     field: WireField,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/de.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn next(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tobu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parser`
[INFO] [stdout]   --> src/de.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     parser: Parser,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `field`
[INFO] [stdout]   --> src/de.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     field: WireField,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/de.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn next(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "3da773fa48f7b5fd6237d5d6bbdbcb9d93742987dcff7a560dae88079f657fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da773fa48f7b5fd6237d5d6bbdbcb9d93742987dcff7a560dae88079f657fe1", kill_on_drop: false }`
[INFO] [stdout] 3da773fa48f7b5fd6237d5d6bbdbcb9d93742987dcff7a560dae88079f657fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 75673d83fc4b40c7fa482f75e993399de8256f31ce8efb80791b565e1d031cbf
[INFO] running `Command { std: "docker" "start" "-a" "75673d83fc4b40c7fa482f75e993399de8256f31ce8efb80791b565e1d031cbf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `parser`
[INFO] [stderr]   --> src/de.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     parser: Parser,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `field`
[INFO] [stderr]   --> src/de.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     field: WireField,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]   --> src/de.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn next(&mut self) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tobu` (lib) generated 3 warnings
[INFO] [stderr] warning: `tobu` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tobu-43b4209db5e3b1e5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tobu
[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] [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" "75673d83fc4b40c7fa482f75e993399de8256f31ce8efb80791b565e1d031cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75673d83fc4b40c7fa482f75e993399de8256f31ce8efb80791b565e1d031cbf", kill_on_drop: false }`
[INFO] [stdout] 75673d83fc4b40c7fa482f75e993399de8256f31ce8efb80791b565e1d031cbf