[INFO] fetching crate concoct-macros 0.2.0...
[INFO] testing concoct-macros-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate concoct-macros 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate concoct-macros 0.2.0
[INFO] finished tweaking crates.io crate concoct-macros 0.2.0
[INFO] tweaked toml for crates.io crate concoct-macros 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate concoct-macros 0.2.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b09ec3b5f893c07a7e010cd7cf6f5964fccb7e451fcac45fd8389d7b82ab0b75
[INFO] running `Command { std: "docker" "start" "-a" "b09ec3b5f893c07a7e010cd7cf6f5964fccb7e451fcac45fd8389d7b82ab0b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b09ec3b5f893c07a7e010cd7cf6f5964fccb7e451fcac45fd8389d7b82ab0b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09ec3b5f893c07a7e010cd7cf6f5964fccb7e451fcac45fd8389d7b82ab0b75", kill_on_drop: false }`
[INFO] [stdout] b09ec3b5f893c07a7e010cd7cf6f5964fccb7e451fcac45fd8389d7b82ab0b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 85daddc0a41bc202566e1f64bd35a97c1027efd8ceb454eec294852b6e441db2
[INFO] running `Command { std: "docker" "start" "-a" "85daddc0a41bc202566e1f64bd35a97c1027efd8ceb454eec294852b6e441db2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling concoct-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `checks`
[INFO] [stdout]    --> src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mask` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut mask = 1u32;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_mask` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut value = 0u32;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.91s
[INFO] running `Command { std: "docker" "inspect" "85daddc0a41bc202566e1f64bd35a97c1027efd8ceb454eec294852b6e441db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85daddc0a41bc202566e1f64bd35a97c1027efd8ceb454eec294852b6e441db2", kill_on_drop: false }`
[INFO] [stdout] 85daddc0a41bc202566e1f64bd35a97c1027efd8ceb454eec294852b6e441db2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 25efba5cb9163854b1afeecf27e474aa9fafbbe84bd033002b779f64db0cfe83
[INFO] running `Command { std: "docker" "start" "-a" "25efba5cb9163854b1afeecf27e474aa9fafbbe84bd033002b779f64db0cfe83", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `checks`
[INFO] [stdout]    --> src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mask` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut mask = 1u32;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_mask` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut value = 0u32;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling concoct-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `checks`
[INFO] [stdout]    --> src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `mask` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let mut mask = 1u32;
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_mask` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut value = 0u32;
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_value` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/lib.rs:110:67
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stdout]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "25efba5cb9163854b1afeecf27e474aa9fafbbe84bd033002b779f64db0cfe83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25efba5cb9163854b1afeecf27e474aa9fafbbe84bd033002b779f64db0cfe83", kill_on_drop: false }`
[INFO] [stdout] 25efba5cb9163854b1afeecf27e474aa9fafbbe84bd033002b779f64db0cfe83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4df6e469aafd59ad68231c443111dca5c056a3b8c781f9ddb3107507a3c2d67b
[INFO] running `Command { std: "docker" "start" "-a" "4df6e469aafd59ad68231c443111dca5c056a3b8c781f9ddb3107507a3c2d67b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `checks`
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:110:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_checks`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `mask` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |             let mut mask = 1u32;
[INFO] [stderr]     |                     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_mask` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `value` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:120:21
[INFO] [stderr]     |
[INFO] [stderr] 120 |             let mut value = 0u32;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_value` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/lib.rs:110:67
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let checks = input_pats.iter().enumerate().map(|(idx, input)| {
[INFO] [stderr]     |                                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: `concoct-macros` (lib) generated 4 warnings
[INFO] [stderr] warning: `concoct-macros` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concoct_macros-32be9b4a2687fa69)
[INFO] [stderr]    Doc-tests concoct_macros
[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] [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" "4df6e469aafd59ad68231c443111dca5c056a3b8c781f9ddb3107507a3c2d67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df6e469aafd59ad68231c443111dca5c056a3b8c781f9ddb3107507a3c2d67b", kill_on_drop: false }`
[INFO] [stdout] 4df6e469aafd59ad68231c443111dca5c056a3b8c781f9ddb3107507a3c2d67b