[INFO] fetching crate smol-potat 1.1.2...
[INFO] testing smol-potat-1.1.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate smol-potat 1.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate smol-potat 1.1.2
[INFO] finished tweaking crates.io crate smol-potat 1.1.2
[INFO] tweaked toml for crates.io crate smol-potat 1.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smol-potat 1.1.2 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 smol-potat 1.1.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol-potat-macro v0.6.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded cc v1.0.65
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded async-io v1.3.0
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.2
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded libc v0.2.80
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a95ea626860f266b8f40ca76bb5a99433c65c30543c1ae70175ff45cad9b8984
[INFO] running `Command { std: "docker" "start" "-a" "a95ea626860f266b8f40ca76bb5a99433c65c30543c1ae70175ff45cad9b8984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a95ea626860f266b8f40ca76bb5a99433c65c30543c1ae70175ff45cad9b8984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a95ea626860f266b8f40ca76bb5a99433c65c30543c1ae70175ff45cad9b8984", kill_on_drop: false }`
[INFO] [stdout] a95ea626860f266b8f40ca76bb5a99433c65c30543c1ae70175ff45cad9b8984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2ddf7447525a7d4486b090d82aef6c371172100b505ef13e5ce3c131a8221ccf
[INFO] running `Command { std: "docker" "start" "-a" "2ddf7447525a7d4486b090d82aef6c371172100b505ef13e5ce3c131a8221ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling async-io v1.3.0
[INFO] [stderr]    Compiling smol-potat-macro v0.6.0
[INFO] [stderr]    Compiling smol-potat v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.09s
[INFO] running `Command { std: "docker" "inspect" "2ddf7447525a7d4486b090d82aef6c371172100b505ef13e5ce3c131a8221ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddf7447525a7d4486b090d82aef6c371172100b505ef13e5ce3c131a8221ccf", kill_on_drop: false }`
[INFO] [stdout] 2ddf7447525a7d4486b090d82aef6c371172100b505ef13e5ce3c131a8221ccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b3dc849527268a02bbe01c07bba52a272f658578f85a1a7beebfa1e1ae4ff33b
[INFO] running `Command { std: "docker" "start" "-a" "b3dc849527268a02bbe01c07bba52a272f658578f85a1a7beebfa1e1ae4ff33b", kill_on_drop: false }`
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling smol-potat v1.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `::std::panic`
[INFO] [stdout]  --> tests/hygiene.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::std::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "b3dc849527268a02bbe01c07bba52a272f658578f85a1a7beebfa1e1ae4ff33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dc849527268a02bbe01c07bba52a272f658578f85a1a7beebfa1e1ae4ff33b", kill_on_drop: false }`
[INFO] [stdout] b3dc849527268a02bbe01c07bba52a272f658578f85a1a7beebfa1e1ae4ff33b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a597f238ce469d5ce64451b7317dce6b437eeca39128c3e0dc1afa30dd9ea230
[INFO] running `Command { std: "docker" "start" "-a" "a597f238ce469d5ce64451b7317dce6b437eeca39128c3e0dc1afa30dd9ea230", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `::std::panic`
[INFO] [stderr]  --> tests/hygiene.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ::std::panic;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `smol-potat` (test "hygiene") generated 1 warning (run `cargo fix --test "hygiene"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/smol_potat-89bf1cd4cb887c15)
[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/hygiene.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hygiene-5e00d044022b482c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... 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] [stderr]      Running tests/test.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test-2c43b25a4d76c543)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... 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" "a597f238ce469d5ce64451b7317dce6b437eeca39128c3e0dc1afa30dd9ea230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a597f238ce469d5ce64451b7317dce6b437eeca39128c3e0dc1afa30dd9ea230", kill_on_drop: false }`
[INFO] [stdout] a597f238ce469d5ce64451b7317dce6b437eeca39128c3e0dc1afa30dd9ea230