[INFO] fetching crate cex 0.5.2...
[INFO] testing cex-0.5.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cex 0.5.2 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate cex 0.5.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cex 0.5.2
[INFO] finished tweaking crates.io crate cex 0.5.2
[INFO] tweaked toml for crates.io crate cex 0.5.2 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0887269955c4832db32c08b6112d4c9cc8a9f15757f1677b145820bf0c973df7
[INFO] running `Command { std: "docker" "start" "-a" "0887269955c4832db32c08b6112d4c9cc8a9f15757f1677b145820bf0c973df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0887269955c4832db32c08b6112d4c9cc8a9f15757f1677b145820bf0c973df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0887269955c4832db32c08b6112d4c9cc8a9f15757f1677b145820bf0c973df7", kill_on_drop: false }`
[INFO] [stdout] 0887269955c4832db32c08b6112d4c9cc8a9f15757f1677b145820bf0c973df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bff531b2d988f7099feee8edb0f19837268cba0323ef695dd9ddca07d58b2fa
[INFO] running `Command { std: "docker" "start" "-a" "8bff531b2d988f7099feee8edb0f19837268cba0323ef695dd9ddca07d58b2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling enumx_derive v0.4.2
[INFO] [stderr]    Compiling cex_derive v0.5.2
[INFO] [stderr]    Compiling enumx v0.4.3
[INFO] [stderr]    Compiling cex v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.13s
[INFO] running `Command { std: "docker" "inspect" "8bff531b2d988f7099feee8edb0f19837268cba0323ef695dd9ddca07d58b2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bff531b2d988f7099feee8edb0f19837268cba0323ef695dd9ddca07d58b2fa", kill_on_drop: false }`
[INFO] [stdout] 8bff531b2d988f7099feee8edb0f19837268cba0323ef695dd9ddca07d58b2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c4477d7a19e940c3821bb0e879a14aeda10f4deafc399b8122c61f75d3651e6
[INFO] running `Command { std: "docker" "start" "-a" "5c4477d7a19e940c3821bb0e879a14aeda10f4deafc399b8122c61f75d3651e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cex v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "5c4477d7a19e940c3821bb0e879a14aeda10f4deafc399b8122c61f75d3651e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4477d7a19e940c3821bb0e879a14aeda10f4deafc399b8122c61f75d3651e6", kill_on_drop: false }`
[INFO] [stdout] 5c4477d7a19e940c3821bb0e879a14aeda10f4deafc399b8122c61f75d3651e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9609d0f3659da67bb78cb072b326cca91fe02a7ea54fd9a507fa7e2d5e074560
[INFO] running `Command { std: "docker" "start" "-a" "9609d0f3659da67bb78cb072b326cca91fe02a7ea54fd9a507fa7e2d5e074560", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cex-6b11155a7ae4f11c)
[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/syntax.rs (/opt/rustwide/target/debug/deps/syntax-15d898e75bad4c5a)
[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/use_cex_to_keep_local_errors_from_being_propagated_by_try_operator.rs (/opt/rustwide/target/debug/deps/use_cex_to_keep_local_errors_from_being_propagated_by_try_operator-3cbe00b95e186af5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test returns_only_fatal_errors_v4_works ... ok
[INFO] [stdout] test returns_only_fatal_errors_v5_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cex
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/log.rs - log (line 32) - compile ... ok
[INFO] [stdout] test src/lib.rs - Error (line 83) ... ok
[INFO] [stdout] test src/lib.rs - MapError (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9609d0f3659da67bb78cb072b326cca91fe02a7ea54fd9a507fa7e2d5e074560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9609d0f3659da67bb78cb072b326cca91fe02a7ea54fd9a507fa7e2d5e074560", kill_on_drop: false }`
[INFO] [stdout] 9609d0f3659da67bb78cb072b326cca91fe02a7ea54fd9a507fa7e2d5e074560