[INFO] fetching crate serde-util 0.3.1...
[INFO] testing serde-util-0.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate serde-util 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serde-util 0.3.1
[INFO] finished tweaking crates.io crate serde-util 0.3.1
[INFO] tweaked toml for crates.io crate serde-util 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-util 0.3.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73d65a5fa5f159e4588c84aa587b587eadfae301a6d962e1897df9f890d3e36b
[INFO] running `Command { std: "docker" "start" "-a" "73d65a5fa5f159e4588c84aa587b587eadfae301a6d962e1897df9f890d3e36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73d65a5fa5f159e4588c84aa587b587eadfae301a6d962e1897df9f890d3e36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d65a5fa5f159e4588c84aa587b587eadfae301a6d962e1897df9f890d3e36b", kill_on_drop: false }`
[INFO] [stdout] 73d65a5fa5f159e4588c84aa587b587eadfae301a6d962e1897df9f890d3e36b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6911753779f0c97cd682ee0137f740b710fe8ec9d1bc05b7edfbd510bde2d65b
[INFO] running `Command { std: "docker" "start" "-a" "6911753779f0c97cd682ee0137f740b710fe8ec9d1bc05b7edfbd510bde2d65b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.56s
[INFO] running `Command { std: "docker" "inspect" "6911753779f0c97cd682ee0137f740b710fe8ec9d1bc05b7edfbd510bde2d65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6911753779f0c97cd682ee0137f740b710fe8ec9d1bc05b7edfbd510bde2d65b", kill_on_drop: false }`
[INFO] [stdout] 6911753779f0c97cd682ee0137f740b710fe8ec9d1bc05b7edfbd510bde2d65b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 77ccdb2b91cfa259ad5fccd5d5ac18b9d5426763e490176b5069afe51b8c2501
[INFO] running `Command { std: "docker" "start" "-a" "77ccdb2b91cfa259ad5fccd5d5ac18b9d5426763e490176b5069afe51b8c2501", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde-util v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "77ccdb2b91cfa259ad5fccd5d5ac18b9d5426763e490176b5069afe51b8c2501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ccdb2b91cfa259ad5fccd5d5ac18b9d5426763e490176b5069afe51b8c2501", kill_on_drop: false }`
[INFO] [stdout] 77ccdb2b91cfa259ad5fccd5d5ac18b9d5426763e490176b5069afe51b8c2501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d220b149bd3f987a0dc22c4c48e38fcde5f505d6ee4c3bdaebd130d9a3463ffa
[INFO] running `Command { std: "docker" "start" "-a" "d220b149bd3f987a0dc22c4c48e38fcde5f505d6ee4c3bdaebd130d9a3463ffa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/serde_util-4860d430dedd6985)
[INFO] [stderr]      Running tests/maybe.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/maybe-6704b3cc3c62d027)
[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 6 tests
[INFO] [stdout] test test_shallow ... ok
[INFO] [stdout] test test_t_in_struct ... ok
[INFO] [stdout] test test_not_t_in_struct ... ok
[INFO] [stdout] test test_is_missing ... ok
[INFO] [stdout] test test_is_t ... ok
[INFO] [stdout] test test_is_not_t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d220b149bd3f987a0dc22c4c48e38fcde5f505d6ee4c3bdaebd130d9a3463ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d220b149bd3f987a0dc22c4c48e38fcde5f505d6ee4c3bdaebd130d9a3463ffa", kill_on_drop: false }`
[INFO] [stdout] d220b149bd3f987a0dc22c4c48e38fcde5f505d6ee4c3bdaebd130d9a3463ffa