[INFO] cloning repository https://github.com/dtoebe/rustdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dtoebe/rustdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtoebe%2Frustdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtoebe%2Frustdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 542254bc484740924b770fb5036d785da36a9a46
[INFO] checking dtoebe/rustdown against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtoebe%2Frustdown" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtoebe/rustdown on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dtoebe/rustdown
[INFO] finished tweaking git repo https://github.com/dtoebe/rustdown
[INFO] tweaked toml for git repo https://github.com/dtoebe/rustdown written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dtoebe/rustdown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbd58dccb6832bd54112866c045db2c4c352a4cb7d6448aae901caf12bdaf339
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dbd58dccb6832bd54112866c045db2c4c352a4cb7d6448aae901caf12bdaf339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd58dccb6832bd54112866c045db2c4c352a4cb7d6448aae901caf12bdaf339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd58dccb6832bd54112866c045db2c4c352a4cb7d6448aae901caf12bdaf339", kill_on_drop: false }`
[INFO] [stdout] dbd58dccb6832bd54112866c045db2c4c352a4cb7d6448aae901caf12bdaf339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5240374d8eda4ab2206bab0e3fc883a1a6d46561f5e3dea75d6512bb7b131cf5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5240374d8eda4ab2206bab0e3fc883a1a6d46561f5e3dea75d6512bb7b131cf5", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]    Compiling markdown-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]    Compiling qmlrs v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> build.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let home = env::home_dir();
[INFO] [stdout]   |                ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking difference v0.4.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr] error: failed to run custom build command for `qmlrs v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/qmlrs-ccdb4962f88001b5/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to run cmake: No such file or directory (os error 2)', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qmlrs-0.1.1/build.rs:66:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d62b4b1d50 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55d62b4b1d50 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55d62b4b1d50 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55d62b4b1d50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55d62b4cff3c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55d62b4aea02 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x55d62b4b3ff5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55d62b4b3ff5 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55d62b4b3ff5 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55d62b4b3c98 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55d62b4b4731 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x55d62b4b4277 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x55d62b4b21ec - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55d62b4b41d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x55d62b4b418b - std::panicking::begin_panic_fmt::h447a9fe10c3ac155
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:437:5
[INFO] [stderr]     15:     0x55d62b46e791 - build_script_build::main::{{closure}}::h031ff66b32d84549
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qmlrs-0.1.1/build.rs:66:9
[INFO] [stderr]     16:     0x55d62b46f2eb - core::result::Result<T,E>::unwrap_or_else::h2c10d4d884d8c5cc
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/result.rs:825:23
[INFO] [stderr]     17:     0x55d62b46e374 - build_script_build::main::h22a4c5e6e3c8c06c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qmlrs-0.1.1/build.rs:65:5
[INFO] [stderr]     18:     0x55d62b46ecbb - core::ops::function::FnOnce::call_once::h0d6910fc399114f6
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55d62b46eede - std::sys_common::backtrace::__rust_begin_short_backtrace::he732dde72b404fd7
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55d62b46fc81 - std::rt::lang_start::{{closure}}::h3deb4c3caf7dd646
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55d62b4b4b57 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55d62b4b4b57 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x55d62b4b4b57 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x55d62b4b4b57 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x55d62b4b4b57 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55d62b46fc57 - std::rt::lang_start::hab5fae9c3e7b6ff7
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55d62b46e8aa - main
[INFO] [stderr]     28:     0x7f4e03e910b3 - __libc_start_main
[INFO] [stderr]     29:     0x55d62b46e0be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5240374d8eda4ab2206bab0e3fc883a1a6d46561f5e3dea75d6512bb7b131cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5240374d8eda4ab2206bab0e3fc883a1a6d46561f5e3dea75d6512bb7b131cf5", kill_on_drop: false }`
[INFO] [stdout] 5240374d8eda4ab2206bab0e3fc883a1a6d46561f5e3dea75d6512bb7b131cf5