[INFO] fetching crate repr-discriminant 3.0.1...
[INFO] testing repr-discriminant-3.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate repr-discriminant 3.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate repr-discriminant 3.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate repr-discriminant 3.0.1
[INFO] tweaked toml for crates.io crate repr-discriminant 3.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate repr-discriminant 3.0.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate repr-discriminant 3.0.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e8b9ac9bc8fea7f6b3838d1d37f74dbc0261309b5ccd2804bb2224e29f1cf4e
[INFO] running `Command { std: "docker" "start" "-a" "3e8b9ac9bc8fea7f6b3838d1d37f74dbc0261309b5ccd2804bb2224e29f1cf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e8b9ac9bc8fea7f6b3838d1d37f74dbc0261309b5ccd2804bb2224e29f1cf4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e8b9ac9bc8fea7f6b3838d1d37f74dbc0261309b5ccd2804bb2224e29f1cf4e", kill_on_drop: false }`
[INFO] [stdout] 3e8b9ac9bc8fea7f6b3838d1d37f74dbc0261309b5ccd2804bb2224e29f1cf4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a26fb675d854b335906803477888cf437f89cfbfd547e30044a6286474d382db
[INFO] running `Command { std: "docker" "start" "-a" "a26fb675d854b335906803477888cf437f89cfbfd547e30044a6286474d382db", kill_on_drop: false }`
[INFO] [stderr]    Compiling repr-discriminant v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "a26fb675d854b335906803477888cf437f89cfbfd547e30044a6286474d382db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26fb675d854b335906803477888cf437f89cfbfd547e30044a6286474d382db", kill_on_drop: false }`
[INFO] [stdout] a26fb675d854b335906803477888cf437f89cfbfd547e30044a6286474d382db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3041cc111110a49f5bf0cacaa45a1f5ed919fd14870f227bc8a215fabd8b9c
[INFO] running `Command { std: "docker" "start" "-a" "4b3041cc111110a49f5bf0cacaa45a1f5ed919fd14870f227bc8a215fabd8b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling repr-discriminant v3.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: extern crate `repr_discriminant` is unused in crate `test_derive`
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove the dependency or add `use repr_discriminant as _;` to the crate root
[INFO] [stdout]   = note: requested on the command line with `-W unused-crate-dependencies`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "4b3041cc111110a49f5bf0cacaa45a1f5ed919fd14870f227bc8a215fabd8b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3041cc111110a49f5bf0cacaa45a1f5ed919fd14870f227bc8a215fabd8b9c", kill_on_drop: false }`
[INFO] [stdout] 4b3041cc111110a49f5bf0cacaa45a1f5ed919fd14870f227bc8a215fabd8b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 044127e72dad0caa4529822523ec2fcd8b7c99a29c89a8f137bfc8e0c21109b3
[INFO] running `Command { std: "docker" "start" "-a" "044127e72dad0caa4529822523ec2fcd8b7c99a29c89a8f137bfc8e0c21109b3", kill_on_drop: false }`
[INFO] [stderr] warning: extern crate `repr_discriminant` is unused in crate `test_derive`
[INFO] [stderr]   |
[INFO] [stderr]   = help: remove the dependency or add `use repr_discriminant as _;` to the crate root
[INFO] [stderr]   = note: requested on the command line with `-W unused-crate-dependencies`
[INFO] [stderr] 
[INFO] [stderr] warning: `repr-discriminant` (test "test_derive") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/repr_discriminant-f7f607fcdc9c05a7)
[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/test_derive.rs (/opt/rustwide/target/debug/deps/test_derive-041431f308a972a1)
[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]    Doc-tests repr_discriminant
[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" "044127e72dad0caa4529822523ec2fcd8b7c99a29c89a8f137bfc8e0c21109b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044127e72dad0caa4529822523ec2fcd8b7c99a29c89a8f137bfc8e0c21109b3", kill_on_drop: false }`
[INFO] [stdout] 044127e72dad0caa4529822523ec2fcd8b7c99a29c89a8f137bfc8e0c21109b3