[INFO] fetching crate caret 0.5.2...
[INFO] testing caret-0.5.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate caret 0.5.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate caret 0.5.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate caret 0.5.2
[INFO] tweaked toml for crates.io crate caret 0.5.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate caret 0.5.2 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] crate crates.io crate caret 0.5.2 already has a lockfile, it will not be regenerated
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6bca7641a19ef654a2fbb297ee772b3f17d0cfa2316d00a8b40cccee0e787b9e
[INFO] running `Command { std: "docker" "start" "-a" "6bca7641a19ef654a2fbb297ee772b3f17d0cfa2316d00a8b40cccee0e787b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bca7641a19ef654a2fbb297ee772b3f17d0cfa2316d00a8b40cccee0e787b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bca7641a19ef654a2fbb297ee772b3f17d0cfa2316d00a8b40cccee0e787b9e", kill_on_drop: false }`
[INFO] [stdout] 6bca7641a19ef654a2fbb297ee772b3f17d0cfa2316d00a8b40cccee0e787b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 71f438289bc8af96376ce43ec48ce48cab1dc20ca8e424deda0eaf13597dd4f0
[INFO] running `Command { std: "docker" "start" "-a" "71f438289bc8af96376ce43ec48ce48cab1dc20ca8e424deda0eaf13597dd4f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling caret v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "71f438289bc8af96376ce43ec48ce48cab1dc20ca8e424deda0eaf13597dd4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f438289bc8af96376ce43ec48ce48cab1dc20ca8e424deda0eaf13597dd4f0", kill_on_drop: false }`
[INFO] [stdout] 71f438289bc8af96376ce43ec48ce48cab1dc20ca8e424deda0eaf13597dd4f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 72214bb6a9b205c1da1d3b4a003ed54697871f448d8e3d124bd0294af60d2db1
[INFO] running `Command { std: "docker" "start" "-a" "72214bb6a9b205c1da1d3b4a003ed54697871f448d8e3d124bd0294af60d2db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling caret v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "72214bb6a9b205c1da1d3b4a003ed54697871f448d8e3d124bd0294af60d2db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72214bb6a9b205c1da1d3b4a003ed54697871f448d8e3d124bd0294af60d2db1", kill_on_drop: false }`
[INFO] [stdout] 72214bb6a9b205c1da1d3b4a003ed54697871f448d8e3d124bd0294af60d2db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 434b8529b77b020dacc2a250bcfa9a27fc484f9e963dba22ba492eae6918b91b
[INFO] running `Command { std: "docker" "start" "-a" "434b8529b77b020dacc2a250bcfa9a27fc484f9e963dba22ba492eae6918b91b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/caret-4582c3affa0c6256)
[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/example_int.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/example_int-18456931898952bc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_int_ops ... ok
[INFO] [stdout] test test_str_ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "434b8529b77b020dacc2a250bcfa9a27fc484f9e963dba22ba492eae6918b91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434b8529b77b020dacc2a250bcfa9a27fc484f9e963dba22ba492eae6918b91b", kill_on_drop: false }`
[INFO] [stdout] 434b8529b77b020dacc2a250bcfa9a27fc484f9e963dba22ba492eae6918b91b