[INFO] fetching crate h2s_core 0.18.0...
[INFO] testing h2s_core-0.18.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate h2s_core 0.18.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate h2s_core 0.18.0
[INFO] finished tweaking crates.io crate h2s_core 0.18.0
[INFO] tweaked toml for crates.io crate h2s_core 0.18.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate h2s_core 0.18.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfd21fc05f0adeb70e6b48323ab2c8bbdc5af0eb34104b71316e7f3defbbabcd
[INFO] running `Command { std: "docker" "start" "-a" "bfd21fc05f0adeb70e6b48323ab2c8bbdc5af0eb34104b71316e7f3defbbabcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd21fc05f0adeb70e6b48323ab2c8bbdc5af0eb34104b71316e7f3defbbabcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd21fc05f0adeb70e6b48323ab2c8bbdc5af0eb34104b71316e7f3defbbabcd", kill_on_drop: false }`
[INFO] [stdout] bfd21fc05f0adeb70e6b48323ab2c8bbdc5af0eb34104b71316e7f3defbbabcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3bda68e66ef52ec528f1a2cddf30dea7d674392d08dc0684442def2e19a7c6b
[INFO] running `Command { std: "docker" "start" "-a" "d3bda68e66ef52ec528f1a2cddf30dea7d674392d08dc0684442def2e19a7c6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling h2s_core v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "d3bda68e66ef52ec528f1a2cddf30dea7d674392d08dc0684442def2e19a7c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bda68e66ef52ec528f1a2cddf30dea7d674392d08dc0684442def2e19a7c6b", kill_on_drop: false }`
[INFO] [stdout] d3bda68e66ef52ec528f1a2cddf30dea7d674392d08dc0684442def2e19a7c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e8a5978c9b00314d0031ee4dd7e4fad36389d1b70ad18e38127c76131318ec0
[INFO] running `Command { std: "docker" "start" "-a" "6e8a5978c9b00314d0031ee4dd7e4fad36389d1b70ad18e38127c76131318ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling h2s_core v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "6e8a5978c9b00314d0031ee4dd7e4fad36389d1b70ad18e38127c76131318ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8a5978c9b00314d0031ee4dd7e4fad36389d1b70ad18e38127c76131318ec0", kill_on_drop: false }`
[INFO] [stdout] 6e8a5978c9b00314d0031ee4dd7e4fad36389d1b70ad18e38127c76131318ec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f25ae1d1ca35a9832373ff49d4932b925eb636c17d1033ae29da32dfb5d97fc2
[INFO] running `Command { std: "docker" "start" "-a" "f25ae1d1ca35a9832373ff49d4932b925eb636c17d1033ae29da32dfb5d97fc2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/h2s_core-2506896eb58d7b2d)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test transformable::test::identity ... ok
[INFO] [stdout] test transformable::test::vec_to_array ... ok
[INFO] [stdout] test transformable::test::vec_to_option ... ok
[INFO] [stdout] test traversable::test::array ... ok
[INFO] [stdout] test traversable::test::vec ... ok
[INFO] [stdout] test transformable::test::vec_to_single ... ok
[INFO] [stdout] test traversable::test::exactly_one ... ok
[INFO] [stdout] test traversable::test::option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests h2s_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" "f25ae1d1ca35a9832373ff49d4932b925eb636c17d1033ae29da32dfb5d97fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25ae1d1ca35a9832373ff49d4932b925eb636c17d1033ae29da32dfb5d97fc2", kill_on_drop: false }`
[INFO] [stdout] f25ae1d1ca35a9832373ff49d4932b925eb636c17d1033ae29da32dfb5d97fc2