[INFO] fetching crate fallback-if 1.0.1...
[INFO] testing fallback-if-1.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fallback-if 1.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fallback-if 1.0.1
[INFO] finished tweaking crates.io crate fallback-if 1.0.1
[INFO] tweaked toml for crates.io crate fallback-if 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fallback-if 1.0.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 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 yare-macro v3.0.0
[INFO] [stderr]   Downloaded yare v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d01aea7435f78c0b1c7d58ba7db670adc203af83def3431510621226adb7c89e
[INFO] running `Command { std: "docker" "start" "-a" "d01aea7435f78c0b1c7d58ba7db670adc203af83def3431510621226adb7c89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01aea7435f78c0b1c7d58ba7db670adc203af83def3431510621226adb7c89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01aea7435f78c0b1c7d58ba7db670adc203af83def3431510621226adb7c89e", kill_on_drop: false }`
[INFO] [stdout] d01aea7435f78c0b1c7d58ba7db670adc203af83def3431510621226adb7c89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 53e2dcf7b872fb69b647654d25c943ce9d48af598ecfe297cbcd90ba4b9e6952
[INFO] running `Command { std: "docker" "start" "-a" "53e2dcf7b872fb69b647654d25c943ce9d48af598ecfe297cbcd90ba4b9e6952", kill_on_drop: false }`
[INFO] [stderr]    Compiling fallback-if v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "53e2dcf7b872fb69b647654d25c943ce9d48af598ecfe297cbcd90ba4b9e6952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e2dcf7b872fb69b647654d25c943ce9d48af598ecfe297cbcd90ba4b9e6952", kill_on_drop: false }`
[INFO] [stdout] 53e2dcf7b872fb69b647654d25c943ce9d48af598ecfe297cbcd90ba4b9e6952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 03ef4d05c60ad192142544898b8ee2113321348010d4805f024a770e83be13c1
[INFO] running `Command { std: "docker" "start" "-a" "03ef4d05c60ad192142544898b8ee2113321348010d4805f024a770e83be13c1", 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 yare-macro v3.0.0
[INFO] [stderr]    Compiling yare v3.0.0
[INFO] [stderr]    Compiling fallback-if v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "03ef4d05c60ad192142544898b8ee2113321348010d4805f024a770e83be13c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ef4d05c60ad192142544898b8ee2113321348010d4805f024a770e83be13c1", kill_on_drop: false }`
[INFO] [stdout] 03ef4d05c60ad192142544898b8ee2113321348010d4805f024a770e83be13c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef538697517e1ee44413b84ac8200fde21a2eca6965882b94b4e1bbc848229a0
[INFO] running `Command { std: "docker" "start" "-a" "ef538697517e1ee44413b84ac8200fde21a2eca6965882b94b4e1bbc848229a0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fallback_if-74fcf13be18d273b)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::option_do_fallback::none_to_none ... ok
[INFO] [stdout] test tests::option_do_fallback::ok ... ok
[INFO] [stdout] test tests::option_do_not_fallback::none_to_some ... ok
[INFO] [stdout] test tests::option_do_not_fallback::none_to_none ... ok
[INFO] [stdout] test tests::option_do_fallback::none_to_some ... ok
[INFO] [stdout] test tests::option_do_not_fallback::ok ... ok
[INFO] [stdout] test tests::result_do_fallback::err_to_err ... ok
[INFO] [stdout] test tests::result_do_fallback::err_to_ok ... ok
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] test tests::result_do_not_fallback::err_to_err ... ok
[INFO] [stdout] test tests::result_do_not_fallback::err_to_ok ... ok
[INFO] [stdout] test tests::result_do_not_fallback::ok ... ok
[INFO] [stdout] test tests::result_do_fallback::ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef538697517e1ee44413b84ac8200fde21a2eca6965882b94b4e1bbc848229a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef538697517e1ee44413b84ac8200fde21a2eca6965882b94b4e1bbc848229a0", kill_on_drop: false }`
[INFO] [stdout] ef538697517e1ee44413b84ac8200fde21a2eca6965882b94b4e1bbc848229a0