[INFO] fetching crate zerror_core 0.13.0...
[INFO] testing zerror_core-0.13.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate zerror_core 0.13.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerror_core 0.13.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerror_derive v0.7.0
[INFO] [stderr]   Downloaded zerror v0.8.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
[INFO] [stderr]   Downloaded biometrics v0.12.0
[INFO] [stderr]   Downloaded one_two_eight v0.10.0
[INFO] [stderr]   Downloaded prototk_derive v0.13.0
[INFO] [stderr]   Downloaded tatl v0.13.0
[INFO] [stderr]   Downloaded derive_util v0.5.0
[INFO] [stderr]   Downloaded quote v1.0.40
[INFO] [stderr]   Downloaded proc-macro2 v1.0.95
[INFO] [stderr]   Downloaded sig_fig_histogram v0.6.0
[INFO] [stderr]   Downloaded buffertk v0.13.0
[INFO] [stderr]   Downloaded prototk v0.13.0
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2523209debfbf615ab40902bfdced617f2cd12e470c2163d727373e9ea591875
[INFO] running `Command { std: "docker" "start" "-a" "2523209debfbf615ab40902bfdced617f2cd12e470c2163d727373e9ea591875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2523209debfbf615ab40902bfdced617f2cd12e470c2163d727373e9ea591875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2523209debfbf615ab40902bfdced617f2cd12e470c2163d727373e9ea591875", kill_on_drop: false }`
[INFO] [stdout] 2523209debfbf615ab40902bfdced617f2cd12e470c2163d727373e9ea591875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f96ebe8a45473fe73dac86183a9fc1325ef1d564bec72e5af6ed25d7c9a88590
[INFO] running `Command { std: "docker" "start" "-a" "f96ebe8a45473fe73dac86183a9fc1325ef1d564bec72e5af6ed25d7c9a88590", kill_on_drop: false }`
[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 syn v1.0.109
[INFO] [stderr]    Compiling biometrics v0.12.0
[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 2.65s
[INFO] running `Command { std: "docker" "inspect" "f96ebe8a45473fe73dac86183a9fc1325ef1d564bec72e5af6ed25d7c9a88590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96ebe8a45473fe73dac86183a9fc1325ef1d564bec72e5af6ed25d7c9a88590", kill_on_drop: false }`
[INFO] [stdout] f96ebe8a45473fe73dac86183a9fc1325ef1d564bec72e5af6ed25d7c9a88590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390930dbf121588eb13204ad4197a96022602f4f606b16e5e884c03e3f8cd11a
[INFO] running `Command { std: "docker" "start" "-a" "390930dbf121588eb13204ad4197a96022602f4f606b16e5e884c03e3f8cd11a", 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 0.53s
[INFO] running `Command { std: "docker" "inspect" "390930dbf121588eb13204ad4197a96022602f4f606b16e5e884c03e3f8cd11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390930dbf121588eb13204ad4197a96022602f4f606b16e5e884c03e3f8cd11a", kill_on_drop: false }`
[INFO] [stdout] 390930dbf121588eb13204ad4197a96022602f4f606b16e5e884c03e3f8cd11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abf8c4930af3d5bde846a683bfd600f0642be3a88b14efd6bbac632e1caa83cb
[INFO] running `Command { std: "docker" "start" "-a" "abf8c4930af3d5bde846a683bfd600f0642be3a88b14efd6bbac632e1caa83cb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zerror_core-7ca0fd315a43ec4b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-66e352d13fe2811c)
[INFO] [stdout] test tests::serialize_empty_error_core ... ok
[INFO] [stdout] test tests::serialize_used_error_core ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test core_mut ... ok
[INFO] [stdout] test core ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "abf8c4930af3d5bde846a683bfd600f0642be3a88b14efd6bbac632e1caa83cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf8c4930af3d5bde846a683bfd600f0642be3a88b14efd6bbac632e1caa83cb", kill_on_drop: false }`
[INFO] [stdout] abf8c4930af3d5bde846a683bfd600f0642be3a88b14efd6bbac632e1caa83cb