[INFO] fetching crate description 0.3.0...
[INFO] testing description-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 description 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate description 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate description 0.3.0
[INFO] tweaked toml for crates.io crate description 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate description 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 description 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded description-macro v0.3.0
[INFO] [stderr]   Downloaded const_format_proc_macros v0.2.33
[INFO] [stderr]   Downloaded const_format v0.2.33
[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] 44757f78310ea19d244df12408f06b7bc347ac48834931576c1d0cc2eba66c13
[INFO] running `Command { std: "docker" "start" "-a" "44757f78310ea19d244df12408f06b7bc347ac48834931576c1d0cc2eba66c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44757f78310ea19d244df12408f06b7bc347ac48834931576c1d0cc2eba66c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44757f78310ea19d244df12408f06b7bc347ac48834931576c1d0cc2eba66c13", kill_on_drop: false }`
[INFO] [stdout] 44757f78310ea19d244df12408f06b7bc347ac48834931576c1d0cc2eba66c13
[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] f645e0500870ca3b10077b76892773256bec929ef6c73012c91c1adaee027c05
[INFO] running `Command { std: "docker" "start" "-a" "f645e0500870ca3b10077b76892773256bec929ef6c73012c91c1adaee027c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.33
[INFO] [stderr]    Compiling const_format v0.2.33
[INFO] [stderr]    Compiling description-macro v0.3.0
[INFO] [stderr]    Compiling description v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "f645e0500870ca3b10077b76892773256bec929ef6c73012c91c1adaee027c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f645e0500870ca3b10077b76892773256bec929ef6c73012c91c1adaee027c05", kill_on_drop: false }`
[INFO] [stdout] f645e0500870ca3b10077b76892773256bec929ef6c73012c91c1adaee027c05
[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] 0334b32282f85583f6fb6e27b20b526f0f62e0d03ddb22a65810c8f0a407f390
[INFO] running `Command { std: "docker" "start" "-a" "0334b32282f85583f6fb6e27b20b526f0f62e0d03ddb22a65810c8f0a407f390", kill_on_drop: false }`
[INFO] [stderr]    Compiling description v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Disconnected` is never constructed
[INFO] [stdout]  --> examples/enum.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum ChargerStatus {
[INFO] [stdout]   |      ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Disconnected,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `FullyCharged` and `Overheating` are never constructed
[INFO] [stdout]   --> examples/enum.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum BatteryStatus {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21 |     FullyCharged,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Overheating,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DontShowConstant` is never constructed
[INFO] [stdout]   --> examples/format.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | enum SomeStatusEnum {
[INFO] [stdout]    |      -------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     DontShowConstant,
[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 0.43s
[INFO] running `Command { std: "docker" "inspect" "0334b32282f85583f6fb6e27b20b526f0f62e0d03ddb22a65810c8f0a407f390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0334b32282f85583f6fb6e27b20b526f0f62e0d03ddb22a65810c8f0a407f390", kill_on_drop: false }`
[INFO] [stdout] 0334b32282f85583f6fb6e27b20b526f0f62e0d03ddb22a65810c8f0a407f390
[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" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1e68f3c777b471c3ba3872d1eff76623cd34ede8f49aca0c6c028be96459bba4
[INFO] running `Command { std: "docker" "start" "-a" "1e68f3c777b471c3ba3872d1eff76623cd34ede8f49aca0c6c028be96459bba4", kill_on_drop: false }`
[INFO] [stderr] warning: variant `DontShowConstant` is never constructed
[INFO] [stderr]   --> examples/format.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 6  | enum SomeStatusEnum {
[INFO] [stderr]    |      -------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 11 |     DontShowConstant,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Disconnected` is never constructed
[INFO] [stderr]  --> examples/enum.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum ChargerStatus {
[INFO] [stderr]   |      ------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 9 |     Disconnected,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `FullyCharged` and `Overheating` are never constructed
[INFO] [stderr]   --> examples/enum.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum BatteryStatus {
[INFO] [stderr]    |      ------------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 21 |     FullyCharged,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     Overheating,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `description` (example "format") generated 1 warning
[INFO] [stderr] warning: `description` (example "enum") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/description-645cba63d98fc0a3)
[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" "1e68f3c777b471c3ba3872d1eff76623cd34ede8f49aca0c6c028be96459bba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e68f3c777b471c3ba3872d1eff76623cd34ede8f49aca0c6c028be96459bba4", kill_on_drop: false }`
[INFO] [stdout] 1e68f3c777b471c3ba3872d1eff76623cd34ede8f49aca0c6c028be96459bba4