[INFO] cloning repository https://github.com/ftabaro/mutation-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftabaro/mutation-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef1388ebda5c3302ee7d22a2f6eb78127294591c
[INFO] checking ftabaro/mutation-viewer/ef1388ebda5c3302ee7d22a2f6eb78127294591c against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftabaro%2Fmutation-viewer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ftabaro/mutation-viewer
[INFO] finished tweaking git repo https://github.com/ftabaro/mutation-viewer
[INFO] tweaked toml for git repo https://github.com/ftabaro/mutation-viewer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ftabaro/mutation-viewer on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ftabaro/mutation-viewer 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rouille v2.0.0
[INFO] [stderr]   Downloaded mime_guess v1.8.3
[INFO] [stderr]   Downloaded safemem v0.1.1
[INFO] [stderr]   Downloaded buf_redux v0.6.1
[INFO] [stderr]   Downloaded url v1.6.0
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded twoway v0.1.7
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded flate2 v1.0.1
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb7a23ced23ea68c0ead1b0f34b9381b6dc653b40981a9a3ead53b317a728693
[INFO] running `Command { std: "docker" "start" "-a" "eb7a23ced23ea68c0ead1b0f34b9381b6dc653b40981a9a3ead53b317a728693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7a23ced23ea68c0ead1b0f34b9381b6dc653b40981a9a3ead53b317a728693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7a23ced23ea68c0ead1b0f34b9381b6dc653b40981a9a3ead53b317a728693", kill_on_drop: false }`
[INFO] [stdout] eb7a23ced23ea68c0ead1b0f34b9381b6dc653b40981a9a3ead53b317a728693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02b17d57fcefb385fe36e6fec142410d68c7ab77ccd42d14fc4da86fca6aef54
[INFO] running `Command { std: "docker" "start" "-a" "02b17d57fcefb385fe36e6fec142410d68c7ab77ccd42d14fc4da86fca6aef54", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking remove_dir_all v0.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/alloc/src/borrow.rs:169:29
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking safemem v0.1.1
[INFO] [stderr]     Checking buf_redux v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-5c2592c1a8260e59/build-script-gen_mime_types` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (506) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mime_guess-1.8.3/src/gen_mime_types.rs:22:67:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5d6584732198 - std[c22045be7cc644ef]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d6584732198 - std[c22045be7cc644ef]::backtrace_rs::backtrace::trace_unsynchronized::<std[c22045be7cc644ef]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d6584732198 - std[c22045be7cc644ef]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5d6584732198 - <<std[c22045be7cc644ef]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[9f5a84c1432b9f3d]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5d6584742d6a - <core[9f5a84c1432b9f3d]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5d6584742d6a - core[9f5a84c1432b9f3d]::fmt::write
[INFO] [stderr]      6:     0x5d6584735a02 - std[c22045be7cc644ef]::io::default_write_fmt::<std[c22045be7cc644ef]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/io/mod.rs:622:11
[INFO] [stderr]      7:     0x5d6584735a02 - <std[c22045be7cc644ef]::sys::stdio::unix::Stderr as std[c22045be7cc644ef]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/io/mod.rs:1977:13
[INFO] [stderr]      8:     0x5d658471d7e6 - <std[c22045be7cc644ef]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5d658471d7e6 - std[c22045be7cc644ef]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5d658472e1b1 - std[c22045be7cc644ef]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5d658472e36b - std[c22045be7cc644ef]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5d658471d8a2 - std[c22045be7cc644ef]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5d6584712d59 - std[c22045be7cc644ef]::sys::backtrace::__rust_end_short_backtrace::<std[c22045be7cc644ef]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5d658471e18d - __rustc[9acb23962fd4ba1c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5d658474341c - core[9f5a84c1432b9f3d]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5d65847431f2 - core[9f5a84c1432b9f3d]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5d6584703898 - build_script_gen_mime_types[e925e6647fd2b67f]::main
[INFO] [stderr]     18:     0x5d65846fa2a3 - <fn() as core[9f5a84c1432b9f3d]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5d65846fc176 - std[c22045be7cc644ef]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5d65846e7ca9 - std[c22045be7cc644ef]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5d658472d957 - <&dyn core[9f5a84c1432b9f3d]::ops::function::Fn<(), Output = i32> + core[9f5a84c1432b9f3d]::panic::unwind_safe::RefUnwindSafe + core[9f5a84c1432b9f3d]::marker::Sync as core[9f5a84c1432b9f3d]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5d658472d957 - std[c22045be7cc644ef]::panicking::catch_unwind::do_call::<&dyn core[9f5a84c1432b9f3d]::ops::function::Fn<(), Output = i32> + core[9f5a84c1432b9f3d]::panic::unwind_safe::RefUnwindSafe + core[9f5a84c1432b9f3d]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5d658472d957 - std[c22045be7cc644ef]::panicking::catch_unwind::<i32, &dyn core[9f5a84c1432b9f3d]::ops::function::Fn<(), Output = i32> + core[9f5a84c1432b9f3d]::panic::unwind_safe::RefUnwindSafe + core[9f5a84c1432b9f3d]::marker::Sync>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5d658472d957 - std[c22045be7cc644ef]::panic::catch_unwind::<&dyn core[9f5a84c1432b9f3d]::ops::function::Fn<(), Output = i32> + core[9f5a84c1432b9f3d]::panic::unwind_safe::RefUnwindSafe + core[9f5a84c1432b9f3d]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5d658472d957 - std[c22045be7cc644ef]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5d658472d957 - std[c22045be7cc644ef]::panicking::catch_unwind::do_call::<std[c22045be7cc644ef]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5d658472d957 - std[c22045be7cc644ef]::panicking::catch_unwind::<isize, std[c22045be7cc644ef]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5d658472d957 - std[c22045be7cc644ef]::panic::catch_unwind::<std[c22045be7cc644ef]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5d658472d957 - std[c22045be7cc644ef]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/31a9463c6e2794a59ce57a8f37abc6966afc2a58/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5d65846e7011 - std[c22045be7cc644ef]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5d6584706275 - main
[INFO] [stderr]     32:     0x77fd8d8941ca - <unknown>
[INFO] [stderr]     33:     0x77fd8d89428b - __libc_start_main
[INFO] [stderr]     34:     0x5d65846e67b5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "02b17d57fcefb385fe36e6fec142410d68c7ab77ccd42d14fc4da86fca6aef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b17d57fcefb385fe36e6fec142410d68c7ab77ccd42d14fc4da86fca6aef54", kill_on_drop: false }`
[INFO] [stdout] 02b17d57fcefb385fe36e6fec142410d68c7ab77ccd42d14fc4da86fca6aef54
