[INFO] fetching crate zerror_core 0.13.0...
[INFO] testing zerror_core-0.13.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate zerror_core 0.13.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate zerror_core 0.13.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zerror_core 0.13.0
[INFO] tweaked toml for crates.io crate zerror_core 0.13.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerror_core 0.13.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zerror_core 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fb003eba9bc6732aed08b5dbea1f1dd281749306797d0df3a527f62f1a53a05
[INFO] running `Command { std: "docker" "start" "-a" "1fb003eba9bc6732aed08b5dbea1f1dd281749306797d0df3a527f62f1a53a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fb003eba9bc6732aed08b5dbea1f1dd281749306797d0df3a527f62f1a53a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb003eba9bc6732aed08b5dbea1f1dd281749306797d0df3a527f62f1a53a05", kill_on_drop: false }`
[INFO] [stdout] 1fb003eba9bc6732aed08b5dbea1f1dd281749306797d0df3a527f62f1a53a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e3437527fa20a49abd7cfdfa686fb7c7a1c868a30e73e356a98e939fc6653ff
[INFO] running `Command { std: "docker" "start" "-a" "5e3437527fa20a49abd7cfdfa686fb7c7a1c868a30e73e356a98e939fc6653ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling buffertk v0.13.0
[INFO] [stderr]    Compiling zerror v0.8.0
[INFO] [stderr]    Compiling sig_fig_histogram v0.6.0
[INFO] [stderr]    Compiling biometrics v0.12.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling derive_util v0.5.0
[INFO] [stderr]    Compiling prototk_derive v0.13.0
[INFO] [stderr]    Compiling zerror_derive v0.7.0
[INFO] [stderr]    Compiling prototk v0.13.0
[INFO] [stderr]    Compiling one_two_eight v0.10.0
[INFO] [stderr]    Compiling tatl v0.13.0
[INFO] [stderr]    Compiling zerror_core v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "5e3437527fa20a49abd7cfdfa686fb7c7a1c868a30e73e356a98e939fc6653ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3437527fa20a49abd7cfdfa686fb7c7a1c868a30e73e356a98e939fc6653ff", kill_on_drop: false }`
[INFO] [stdout] 5e3437527fa20a49abd7cfdfa686fb7c7a1c868a30e73e356a98e939fc6653ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12097215ccfa4162d68ca1dbd91ad0d4a0895ead69e1bbd96d449d24b8fd0160
[INFO] running `Command { std: "docker" "start" "-a" "12097215ccfa4162d68ca1dbd91ad0d4a0895ead69e1bbd96d449d24b8fd0160", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerror_core v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "12097215ccfa4162d68ca1dbd91ad0d4a0895ead69e1bbd96d449d24b8fd0160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12097215ccfa4162d68ca1dbd91ad0d4a0895ead69e1bbd96d449d24b8fd0160", kill_on_drop: false }`
[INFO] [stdout] 12097215ccfa4162d68ca1dbd91ad0d4a0895ead69e1bbd96d449d24b8fd0160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9038b7d3f2808e38dffabf188c6d76bcb334ac6cc3ffed582c43cd87ff9c600c
[INFO] running `Command { std: "docker" "start" "-a" "9038b7d3f2808e38dffabf188c6d76bcb334ac6cc3ffed582c43cd87ff9c600c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zerror_core-8353f2758bec5ba5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::serialize_used_error_core ... ok
[INFO] [stdout] test tests::serialize_empty_error_core ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-6d531c6f7558b5d3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test core ... ok
[INFO] [stdout] test core_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zerror_core
[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" "9038b7d3f2808e38dffabf188c6d76bcb334ac6cc3ffed582c43cd87ff9c600c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9038b7d3f2808e38dffabf188c6d76bcb334ac6cc3ffed582c43cd87ff9c600c", kill_on_drop: false }`
[INFO] [stdout] 9038b7d3f2808e38dffabf188c6d76bcb334ac6cc3ffed582c43cd87ff9c600c