[INFO] fetching crate utf8-fix 0.1.1...
[INFO] testing utf8-fix-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate utf8-fix 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate utf8-fix 0.1.1
[INFO] finished tweaking crates.io crate utf8-fix 0.1.1
[INFO] tweaked toml for crates.io crate utf8-fix 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf8-fix 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate utf8-fix 0.1.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9086630f9d9fe8b9caad40492b1a6840a646745a7a33f08764cb35be6e907a51
[INFO] running `Command { std: "docker" "start" "-a" "9086630f9d9fe8b9caad40492b1a6840a646745a7a33f08764cb35be6e907a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9086630f9d9fe8b9caad40492b1a6840a646745a7a33f08764cb35be6e907a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9086630f9d9fe8b9caad40492b1a6840a646745a7a33f08764cb35be6e907a51", kill_on_drop: false }`
[INFO] [stdout] 9086630f9d9fe8b9caad40492b1a6840a646745a7a33f08764cb35be6e907a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0a730e74dfeb46039241e6c0618b76d7824dab8a3f31687d561f4e27e0b3905
[INFO] running `Command { std: "docker" "start" "-a" "f0a730e74dfeb46039241e6c0618b76d7824dab8a3f31687d561f4e27e0b3905", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling utf8-fix v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `utf8_len_from_continuations` is never used
[INFO] [stdout]   --> src/lib.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn utf8_len_from_continuations(data: &[u8]) -> Result<Utf8Len, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_utf8_codepoint` is never used
[INFO] [stdout]    --> src/lib.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn decode_utf8_codepoint(data: &[u8], len: Utf8Len) -> Result<u32, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f0a730e74dfeb46039241e6c0618b76d7824dab8a3f31687d561f4e27e0b3905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a730e74dfeb46039241e6c0618b76d7824dab8a3f31687d561f4e27e0b3905", kill_on_drop: false }`
[INFO] [stdout] f0a730e74dfeb46039241e6c0618b76d7824dab8a3f31687d561f4e27e0b3905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e522d8cca484c2eaedc17c7e0dca9e7565a3add0ef8043b1fa252f02ed4eea45
[INFO] running `Command { std: "docker" "start" "-a" "e522d8cca484c2eaedc17c7e0dca9e7565a3add0ef8043b1fa252f02ed4eea45", kill_on_drop: false }`
[INFO] [stdout] warning: function `utf8_len_from_continuations` is never used
[INFO] [stdout]   --> src/lib.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn utf8_len_from_continuations(data: &[u8]) -> Result<Utf8Len, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utf8-fix v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `decode_utf8_codepoint` is never used
[INFO] [stdout]    --> src/lib.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn decode_utf8_codepoint(data: &[u8], len: Utf8Len) -> Result<u32, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `utf8_len_from_continuations` is never used
[INFO] [stdout]   --> src/lib.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn utf8_len_from_continuations(data: &[u8]) -> Result<Utf8Len, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_utf8_codepoint` is never used
[INFO] [stdout]    --> src/lib.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn decode_utf8_codepoint(data: &[u8], len: Utf8Len) -> Result<u32, Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "e522d8cca484c2eaedc17c7e0dca9e7565a3add0ef8043b1fa252f02ed4eea45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e522d8cca484c2eaedc17c7e0dca9e7565a3add0ef8043b1fa252f02ed4eea45", kill_on_drop: false }`
[INFO] [stdout] e522d8cca484c2eaedc17c7e0dca9e7565a3add0ef8043b1fa252f02ed4eea45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe52a8fe25fd12b256047efadee7d53856e7b68b1b1d3f3a630726ed7660bebb
[INFO] running `Command { std: "docker" "start" "-a" "fe52a8fe25fd12b256047efadee7d53856e7b68b1b1d3f3a630726ed7660bebb", kill_on_drop: false }`
[INFO] [stderr] warning: function `utf8_len_from_continuations` is never used
[INFO] [stderr]   --> src/lib.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn utf8_len_from_continuations(data: &[u8]) -> Result<Utf8Len, Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `decode_utf8_codepoint` is never used
[INFO] [stderr]    --> src/lib.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn decode_utf8_codepoint(data: &[u8], len: Utf8Len) -> Result<u32, Error> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `utf8-fix` (lib) generated 2 warnings
[INFO] [stderr] warning: `utf8-fix` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_fix-7d704f167e1ad462)
[INFO] [stderr]    Doc-tests utf8_fix
[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] [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" "fe52a8fe25fd12b256047efadee7d53856e7b68b1b1d3f3a630726ed7660bebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe52a8fe25fd12b256047efadee7d53856e7b68b1b1d3f3a630726ed7660bebb", kill_on_drop: false }`
[INFO] [stdout] fe52a8fe25fd12b256047efadee7d53856e7b68b1b1d3f3a630726ed7660bebb