[INFO] fetching crate carbon-lib 0.3.1...
[INFO] testing carbon-lib-0.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate carbon-lib 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate carbon-lib 0.3.1
[INFO] finished tweaking crates.io crate carbon-lib 0.3.1
[INFO] tweaked toml for crates.io crate carbon-lib 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate carbon-lib 0.3.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding syntect v4.6.0 (available: v5.2.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded onig v6.5.1
[INFO] [stderr]   Downloaded plist v1.7.2
[INFO] [stderr]   Downloaded carbon-dump v1.2.2
[INFO] [stderr]   Downloaded onig_sys v69.9.1
[INFO] [stderr]   Downloaded syntect v4.6.0
[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] 3a0598a750f03f242967f8ed52a0f1bbe1cdb7a07439891017ee18d5bf51d649
[INFO] running `Command { std: "docker" "start" "-a" "3a0598a750f03f242967f8ed52a0f1bbe1cdb7a07439891017ee18d5bf51d649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a0598a750f03f242967f8ed52a0f1bbe1cdb7a07439891017ee18d5bf51d649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a0598a750f03f242967f8ed52a0f1bbe1cdb7a07439891017ee18d5bf51d649", kill_on_drop: false }`
[INFO] [stdout] 3a0598a750f03f242967f8ed52a0f1bbe1cdb7a07439891017ee18d5bf51d649
[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] ddfcbae9074f664d0c5adcc12c8625e360bcd911edf4cd62b81be0996ea8d95c
[INFO] running `Command { std: "docker" "start" "-a" "ddfcbae9074f664d0c5adcc12c8625e360bcd911edf4cd62b81be0996ea8d95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling plist v1.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling onig v6.5.1
[INFO] [stderr]    Compiling syntect v4.6.0
[INFO] [stderr]    Compiling carbon-dump v1.2.2
[INFO] [stderr]    Compiling carbon-lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/highlight.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Some(s) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `html_fancy_box` is never used
[INFO] [stdout]   --> src/utils/html.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn html_fancy_box(s: &str, title: &Option<String>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.02s
[INFO] running `Command { std: "docker" "inspect" "ddfcbae9074f664d0c5adcc12c8625e360bcd911edf4cd62b81be0996ea8d95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfcbae9074f664d0c5adcc12c8625e360bcd911edf4cd62b81be0996ea8d95c", kill_on_drop: false }`
[INFO] [stdout] ddfcbae9074f664d0c5adcc12c8625e360bcd911edf4cd62b81be0996ea8d95c
[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] 61c99bf1b20fb90a17cb85e2c78ac7d3dc2aa2e332638db0849179845174c995
[INFO] running `Command { std: "docker" "start" "-a" "61c99bf1b20fb90a17cb85e2c78ac7d3dc2aa2e332638db0849179845174c995", kill_on_drop: false }`
[INFO] [stderr]    Compiling carbon-lib v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/highlight.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Some(s) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `html_fancy_box` is never used
[INFO] [stdout]   --> src/utils/html.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn html_fancy_box(s: &str, title: &Option<String>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/highlight.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 Some(s) => {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `html_fancy_box` is never used
[INFO] [stdout]   --> src/utils/html.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn html_fancy_box(s: &str, title: &Option<String>) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "61c99bf1b20fb90a17cb85e2c78ac7d3dc2aa2e332638db0849179845174c995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c99bf1b20fb90a17cb85e2c78ac7d3dc2aa2e332638db0849179845174c995", kill_on_drop: false }`
[INFO] [stdout] 61c99bf1b20fb90a17cb85e2c78ac7d3dc2aa2e332638db0849179845174c995
[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] 36b7bc4e2f56e00fffd1d1fbbc82a961b997fc0ad796cb82440987137280412f
[INFO] running `Command { std: "docker" "start" "-a" "36b7bc4e2f56e00fffd1d1fbbc82a961b997fc0ad796cb82440987137280412f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/highlight.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 Some(s) => {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `html_fancy_box` is never used
[INFO] [stderr]   --> src/utils/html.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn html_fancy_box(s: &str, title: &Option<String>) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `carbon-lib` (lib) generated 2 warnings
[INFO] [stderr] warning: `carbon-lib` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/carbon_lib-9dd53f9ec27a931a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test html ... ok
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36b7bc4e2f56e00fffd1d1fbbc82a961b997fc0ad796cb82440987137280412f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b7bc4e2f56e00fffd1d1fbbc82a961b997fc0ad796cb82440987137280412f", kill_on_drop: false }`
[INFO] [stdout] 36b7bc4e2f56e00fffd1d1fbbc82a961b997fc0ad796cb82440987137280412f