[INFO] fetching crate result-like 0.5.0...
[INFO] testing result-like-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate result-like 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate result-like 0.5.0
[INFO] finished tweaking crates.io crate result-like 0.5.0
[INFO] tweaked toml for crates.io crate result-like 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate result-like 0.5.0 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 8 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pmutil v0.6.1
[INFO] [stderr]   Downloaded result-like-derive v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 81b1335bd7b0280aec2940ff4a3c794961964ae1f7ccfd6c870f99630fa88ef9
[INFO] running `Command { std: "docker" "start" "-a" "81b1335bd7b0280aec2940ff4a3c794961964ae1f7ccfd6c870f99630fa88ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81b1335bd7b0280aec2940ff4a3c794961964ae1f7ccfd6c870f99630fa88ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b1335bd7b0280aec2940ff4a3c794961964ae1f7ccfd6c870f99630fa88ef9", kill_on_drop: false }`
[INFO] [stdout] 81b1335bd7b0280aec2940ff4a3c794961964ae1f7ccfd6c870f99630fa88ef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 402f7f1f880e0abc585917581ab32985dfcbbac805d43d08c4e3333cd5e9a203
[INFO] running `Command { std: "docker" "start" "-a" "402f7f1f880e0abc585917581ab32985dfcbbac805d43d08c4e3333cd5e9a203", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling pmutil v0.6.1
[INFO] [stderr]    Compiling result-like-derive v0.5.0
[INFO] [stderr]    Compiling result-like v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "402f7f1f880e0abc585917581ab32985dfcbbac805d43d08c4e3333cd5e9a203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402f7f1f880e0abc585917581ab32985dfcbbac805d43d08c4e3333cd5e9a203", kill_on_drop: false }`
[INFO] [stdout] 402f7f1f880e0abc585917581ab32985dfcbbac805d43d08c4e3333cd5e9a203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9b17997d54d2f6869938b4a834bda6eaaac7444cf40e6c72905c485e13c1c34
[INFO] running `Command { std: "docker" "start" "-a" "d9b17997d54d2f6869938b4a834bda6eaaac7444cf40e6c72905c485e13c1c34", kill_on_drop: false }`
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling pmutil v0.6.1
[INFO] [stderr]    Compiling result-like-derive v0.5.0
[INFO] [stderr]    Compiling is-macro v0.3.7
[INFO] [stderr]    Compiling result-like v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]  --> tests/result.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct A;
[INFO] [stdout]   |            ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `A` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "d9b17997d54d2f6869938b4a834bda6eaaac7444cf40e6c72905c485e13c1c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b17997d54d2f6869938b4a834bda6eaaac7444cf40e6c72905c485e13c1c34", kill_on_drop: false }`
[INFO] [stdout] d9b17997d54d2f6869938b4a834bda6eaaac7444cf40e6c72905c485e13c1c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0046922e6fe98ee84e3858d4205fbf5b63c5e142858b29f5d7a95d9f11f554d5
[INFO] running `Command { std: "docker" "start" "-a" "0046922e6fe98ee84e3858d4205fbf5b63c5e142858b29f5d7a95d9f11f554d5", kill_on_drop: false }`
[INFO] [stderr] warning: struct `A` is never constructed
[INFO] [stderr]  --> tests/result.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     struct A;
[INFO] [stderr]   |            ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `A` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `result-like` (test "result") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/result_like-b5df1a28145e761d)
[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/option.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/option-4440f0db6a90f12a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_generation ... ok
[INFO] [stdout] test test_xo ... ok
[INFO] [stdout] test test_yo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/result.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/result-702134bba4097a9a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_gen ... ok
[INFO] [stdout] test test_result ... ok
[INFO] [stdout] test test_simple ... ok
[INFO] [stdout] test test_x ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0046922e6fe98ee84e3858d4205fbf5b63c5e142858b29f5d7a95d9f11f554d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0046922e6fe98ee84e3858d4205fbf5b63c5e142858b29f5d7a95d9f11f554d5", kill_on_drop: false }`
[INFO] [stdout] 0046922e6fe98ee84e3858d4205fbf5b63c5e142858b29f5d7a95d9f11f554d5