[INFO] fetching crate brack 0.3.0...
[INFO] testing brack-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate brack 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate brack 0.3.0
[INFO] finished tweaking crates.io crate brack 0.3.0
[INFO] tweaked toml for crates.io crate brack 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate brack 0.3.0 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] crate crates.io crate brack 0.3.0 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fb6483fbd5cc8df004a1c02b4a2fccf4ec4f31bf5f9376dad97ada8ffaed85a8
[INFO] running `Command { std: "docker" "start" "-a" "fb6483fbd5cc8df004a1c02b4a2fccf4ec4f31bf5f9376dad97ada8ffaed85a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb6483fbd5cc8df004a1c02b4a2fccf4ec4f31bf5f9376dad97ada8ffaed85a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6483fbd5cc8df004a1c02b4a2fccf4ec4f31bf5f9376dad97ada8ffaed85a8", kill_on_drop: false }`
[INFO] [stdout] fb6483fbd5cc8df004a1c02b4a2fccf4ec4f31bf5f9376dad97ada8ffaed85a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 636a54123ce05b0f85c5c5f8c26c57f31e21b61bec8bd39d65ea3a4ff3cca2e3
[INFO] running `Command { std: "docker" "start" "-a" "636a54123ce05b0f85c5c5f8c26c57f31e21b61bec8bd39d65ea3a4ff3cca2e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling brack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "636a54123ce05b0f85c5c5f8c26c57f31e21b61bec8bd39d65ea3a4ff3cca2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636a54123ce05b0f85c5c5f8c26c57f31e21b61bec8bd39d65ea3a4ff3cca2e3", kill_on_drop: false }`
[INFO] [stdout] 636a54123ce05b0f85c5c5f8c26c57f31e21b61bec8bd39d65ea3a4ff3cca2e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 64548abad03c756ef6eee89d09d8b3c4e9e112320e627ff4c7b4c23b9bf265e8
[INFO] running `Command { std: "docker" "start" "-a" "64548abad03c756ef6eee89d09d8b3c4e9e112320e627ff4c7b4c23b9bf265e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling brack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/main.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         assert_matches!(c, Change::Relative(v) if v == 10.0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 209 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> src/main.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 |         assert_matches!(c, Change::Relative(v) if v == -10.0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 209 +     use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brack` (bin "brack" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "64548abad03c756ef6eee89d09d8b3c4e9e112320e627ff4c7b4c23b9bf265e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64548abad03c756ef6eee89d09d8b3c4e9e112320e627ff4c7b4c23b9bf265e8", kill_on_drop: false }`
[INFO] [stdout] 64548abad03c756ef6eee89d09d8b3c4e9e112320e627ff4c7b4c23b9bf265e8