[INFO] fetching crate optimal 0.0.0...
[INFO] testing optimal-0.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate optimal 0.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate optimal 0.0.0
[INFO] finished tweaking crates.io crate optimal 0.0.0
[INFO] tweaked toml for crates.io crate optimal 0.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimal 0.0.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding rand_xoshiro v0.6.0 (available: v0.7.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded optimal-core v0.0.0
[INFO] [stderr]   Downloaded partial-min-max v0.4.0
[INFO] [stderr]   Downloaded optimal-pbil v0.0.0
[INFO] [stderr]   Downloaded derive-num-bounded v0.0.0
[INFO] [stderr]   Downloaded derive-getters v0.3.0
[INFO] [stderr]   Downloaded optimal-steepest v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 790033ae1b16ca7153d595d49d927d2b07fb27ea1a726f43eb5456c17ea2be28
[INFO] running `Command { std: "docker" "start" "-a" "790033ae1b16ca7153d595d49d927d2b07fb27ea1a726f43eb5456c17ea2be28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "790033ae1b16ca7153d595d49d927d2b07fb27ea1a726f43eb5456c17ea2be28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790033ae1b16ca7153d595d49d927d2b07fb27ea1a726f43eb5456c17ea2be28", kill_on_drop: false }`
[INFO] [stdout] 790033ae1b16ca7153d595d49d927d2b07fb27ea1a726f43eb5456c17ea2be28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f20a4bc2713aa3930e890a8b6c1e3faed3fcc072572681899b2d5f6eefec3605
[INFO] running `Command { std: "docker" "start" "-a" "f20a4bc2713aa3930e890a8b6c1e3faed3fcc072572681899b2d5f6eefec3605", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling partial-min-max v0.4.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling derive-getters v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling blanket v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling optimal-core v0.0.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling derive-num-bounded v0.0.0
[INFO] [stderr]    Compiling optimal-steepest v0.0.0
[INFO] [stderr]    Compiling optimal-pbil v0.0.0
[INFO] [stderr]    Compiling optimal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "f20a4bc2713aa3930e890a8b6c1e3faed3fcc072572681899b2d5f6eefec3605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20a4bc2713aa3930e890a8b6c1e3faed3fcc072572681899b2d5f6eefec3605", kill_on_drop: false }`
[INFO] [stdout] f20a4bc2713aa3930e890a8b6c1e3faed3fcc072572681899b2d5f6eefec3605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4aacf491cbf680c88920297bddbb20677d5f939bbfe7682ce09b29d4e66bc7e5
[INFO] running `Command { std: "docker" "start" "-a" "4aacf491cbf680c88920297bddbb20677d5f939bbfe7682ce09b29d4e66bc7e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "4aacf491cbf680c88920297bddbb20677d5f939bbfe7682ce09b29d4e66bc7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aacf491cbf680c88920297bddbb20677d5f939bbfe7682ce09b29d4e66bc7e5", kill_on_drop: false }`
[INFO] [stdout] 4aacf491cbf680c88920297bddbb20677d5f939bbfe7682ce09b29d4e66bc7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 232a9e3bc82dd10629fb1cbea66fe96eb6557b733988540e530ecc7b175d5f04
[INFO] running `Command { std: "docker" "start" "-a" "232a9e3bc82dd10629fb1cbea66fe96eb6557b733988540e530ecc7b175d5f04", 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/optimal-c693ca348f7d8947)
[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" "232a9e3bc82dd10629fb1cbea66fe96eb6557b733988540e530ecc7b175d5f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232a9e3bc82dd10629fb1cbea66fe96eb6557b733988540e530ecc7b175d5f04", kill_on_drop: false }`
[INFO] [stdout] 232a9e3bc82dd10629fb1cbea66fe96eb6557b733988540e530ecc7b175d5f04