[INFO] cloning repository https://github.com/AKST/finite-repr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AKST/finite-repr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAKST%2Ffinite-repr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAKST%2Ffinite-repr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f03e624077c4182a74bc4adeedb030e13aba6f7
[INFO] testing AKST/finite-repr against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAKST%2Ffinite-repr" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AKST/finite-repr on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AKST/finite-repr
[INFO] finished tweaking git repo https://github.com/AKST/finite-repr
[INFO] tweaked toml for git repo https://github.com/AKST/finite-repr written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/AKST/finite-repr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3eac1cacc61c97b22c4469a8eae861c0371fedcbf17882a6d3910db7b4c4a4ba
[INFO] running `Command { std: "docker" "start" "-a" "3eac1cacc61c97b22c4469a8eae861c0371fedcbf17882a6d3910db7b4c4a4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eac1cacc61c97b22c4469a8eae861c0371fedcbf17882a6d3910db7b4c4a4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eac1cacc61c97b22c4469a8eae861c0371fedcbf17882a6d3910db7b4c4a4ba", kill_on_drop: false }`
[INFO] [stdout] 3eac1cacc61c97b22c4469a8eae861c0371fedcbf17882a6d3910db7b4c4a4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1886db84fb5c113baef6c8e5fccaea9a8b11a18e5e6313accde18b3fe7700b8
[INFO] running `Command { std: "docker" "start" "-a" "c1886db84fb5c113baef6c8e5fccaea9a8b11a18e5e6313accde18b3fe7700b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4 (/opt/rustwide/workdir/finite-repr-derive)
[INFO] [stderr]    Compiling finite_repr v0.1.4 (/opt/rustwide/workdir/finite-repr-core)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "c1886db84fb5c113baef6c8e5fccaea9a8b11a18e5e6313accde18b3fe7700b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1886db84fb5c113baef6c8e5fccaea9a8b11a18e5e6313accde18b3fe7700b8", kill_on_drop: false }`
[INFO] [stdout] c1886db84fb5c113baef6c8e5fccaea9a8b11a18e5e6313accde18b3fe7700b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0e6af19c7be710bcbebeb9364c702fb8ecef79fd2c63d7420d96295d31c9abc
[INFO] running `Command { std: "docker" "start" "-a" "c0e6af19c7be710bcbebeb9364c702fb8ecef79fd2c63d7420d96295d31c9abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling finite_repr v0.1.4 (/opt/rustwide/workdir/finite-repr-core)
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling trybuild v1.0.30
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4 (/opt/rustwide/workdir/finite-repr-derive)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.21s
[INFO] running `Command { std: "docker" "inspect" "c0e6af19c7be710bcbebeb9364c702fb8ecef79fd2c63d7420d96295d31c9abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e6af19c7be710bcbebeb9364c702fb8ecef79fd2c63d7420d96295d31c9abc", kill_on_drop: false }`
[INFO] [stdout] c0e6af19c7be710bcbebeb9364c702fb8ecef79fd2c63d7420d96295d31c9abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0577450fbea16032c1907c3f1e319b77a193f764838ec00ab5547aa6827ba71f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0577450fbea16032c1907c3f1e319b77a193f764838ec00ab5547aa6827ba71f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/finite_repr-05827af8d6ff0099)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test traits::tests::test_option_impls ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/finite_repr_derive-004dcbbe53046fa7)
[INFO] [stdout] test traits::tests::test_tuple_tuple_impls ... ok
[INFO] [stdout] test traits::tests::test_tuple_impls ... ok
[INFO] [stdout] test traits::tests::test_result_impls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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_decoding.rs (/opt/rustwide/target/debug/deps/test_derive_decoding-b610e8e6fa15e245)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_derive_encoding.rs (/opt/rustwide/target/debug/deps/test_derive_encoding-c7ed02f1fb2624bb)
[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] [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_repr.rs (/opt/rustwide/target/debug/deps/test_derive_repr-082265329f83a3b7)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_isomorphism.rs (/opt/rustwide/target/debug/deps/test_isomorphism-0f0bcc8471e25b74)
[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/init.rs (/opt/rustwide/target/debug/deps/tests-8010609d08f1adab)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling finite_repr_derive v0.1.4 (/opt/rustwide/workdir/finite-repr-derive)
[INFO] [stderr]    Compiling finite_repr v0.1.4 (/opt/rustwide/workdir/finite-repr-core)
[INFO] [stderr]    Compiling finite_repr_derive-tests v0.0.0 (/opt/rustwide/target/tests/finite_repr_derive)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/test_derive_repr.rs ... ok
[INFO] [stderr] test tests/test_derive_encoding.rs ... ok
[INFO] [stderr] test tests/test_derive_decoding.rs ... ok
[INFO] [stderr] test tests/test_isomorphism.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 13.73s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests finite_repr
[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 finite_repr_derive
[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" "0577450fbea16032c1907c3f1e319b77a193f764838ec00ab5547aa6827ba71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0577450fbea16032c1907c3f1e319b77a193f764838ec00ab5547aa6827ba71f", kill_on_drop: false }`
[INFO] [stdout] 0577450fbea16032c1907c3f1e319b77a193f764838ec00ab5547aa6827ba71f