[INFO] fetching crate safe-num 0.0.1...
[INFO] testing safe-num-0.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate safe-num 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate safe-num 0.0.1
[INFO] finished tweaking crates.io crate safe-num 0.0.1
[INFO] tweaked toml for crates.io crate safe-num 0.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe-num 0.0.1 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] 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-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] ae39cfb73837a9e6292931d6fbf519e5587f4687122b6af54b25c2cc7ae91043
[INFO] running `Command { std: "docker" "start" "-a" "ae39cfb73837a9e6292931d6fbf519e5587f4687122b6af54b25c2cc7ae91043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae39cfb73837a9e6292931d6fbf519e5587f4687122b6af54b25c2cc7ae91043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae39cfb73837a9e6292931d6fbf519e5587f4687122b6af54b25c2cc7ae91043", kill_on_drop: false }`
[INFO] [stdout] ae39cfb73837a9e6292931d6fbf519e5587f4687122b6af54b25c2cc7ae91043
[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] f8f4a19ccb2de48166ed543eb029fd48533413bdadf0f346c92ba27143c74eae
[INFO] running `Command { std: "docker" "start" "-a" "f8f4a19ccb2de48166ed543eb029fd48533413bdadf0f346c92ba27143c74eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-num v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f8f4a19ccb2de48166ed543eb029fd48533413bdadf0f346c92ba27143c74eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f4a19ccb2de48166ed543eb029fd48533413bdadf0f346c92ba27143c74eae", kill_on_drop: false }`
[INFO] [stdout] f8f4a19ccb2de48166ed543eb029fd48533413bdadf0f346c92ba27143c74eae
[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] e73c01c7d837feab0b6bf9fddbbbbd074aa7f2436a1e4d6cb8a8bb05704df455
[INFO] running `Command { std: "docker" "start" "-a" "e73c01c7d837feab0b6bf9fddbbbbd074aa7f2436a1e4d6cb8a8bb05704df455", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-num v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lib.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let r = vector_length(Safe(4u64), Safe(5u64));
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "e73c01c7d837feab0b6bf9fddbbbbd074aa7f2436a1e4d6cb8a8bb05704df455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73c01c7d837feab0b6bf9fddbbbbd074aa7f2436a1e4d6cb8a8bb05704df455", kill_on_drop: false }`
[INFO] [stdout] e73c01c7d837feab0b6bf9fddbbbbd074aa7f2436a1e4d6cb8a8bb05704df455
[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] 2f997441e9601f25dd745ae7d897ed56ac567a9fbd4b9aceb40dbde044b1ebf2
[INFO] running `Command { std: "docker" "start" "-a" "2f997441e9601f25dd745ae7d897ed56ac567a9fbd4b9aceb40dbde044b1ebf2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/lib.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let r = vector_length(Safe(4u64), Safe(5u64));
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `safe-num` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/safe_num-8180b61e23cbdbd5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_vector_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f997441e9601f25dd745ae7d897ed56ac567a9fbd4b9aceb40dbde044b1ebf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f997441e9601f25dd745ae7d897ed56ac567a9fbd4b9aceb40dbde044b1ebf2", kill_on_drop: false }`
[INFO] [stdout] 2f997441e9601f25dd745ae7d897ed56ac567a9fbd4b9aceb40dbde044b1ebf2