[INFO] updating cached repository https://github.com/dtoebe/rustdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 542254bc484740924b770fb5036d785da36a9a46
[INFO] testing dtoebe/rustdown against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtoebe%2Frustdown" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtoebe/rustdown on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-1/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/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[INFO] the lockfile is outdated, regenerating it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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e57811e999fc6b5eb2176f049ef2d95dc62dab2d8a0fe3eb13a508dd446fc417
[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" "e57811e999fc6b5eb2176f049ef2d95dc62dab2d8a0fe3eb13a508dd446fc417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57811e999fc6b5eb2176f049ef2d95dc62dab2d8a0fe3eb13a508dd446fc417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57811e999fc6b5eb2176f049ef2d95dc62dab2d8a0fe3eb13a508dd446fc417", kill_on_drop: false }`
[INFO] [stdout] e57811e999fc6b5eb2176f049ef2d95dc62dab2d8a0fe3eb13a508dd446fc417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d552897707b06817535446f1b3f0cb4f4faa74bc124911791d8662ae3023a349
[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" "d552897707b06817535446f1b3f0cb4f4faa74bc124911791d8662ae3023a349", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling pipeline v0.5.0
[INFO] [stderr]    Compiling markdown-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling difference v0.4.1
[INFO] [stderr]    Compiling qmlrs v0.1.1
[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-cff7549034a151cd/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:     0x55f7a4a21635 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55f7a4a21635 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55f7a4a21635 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55f7a4a21635 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55f7a4a4400c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55f7a4a1e442 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1539
[INFO] [stderr]      6:     0x55f7a4a23b20 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55f7a4a23b20 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55f7a4a23b20 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55f7a4a2386c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55f7a4a24163 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55f7a4a23d5b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55f7a4a23ccb - std::panicking::begin_panic_fmt::hbb5e59697acc78ba
[INFO] [stderr]                                  at src/libstd/panicking.rs:391
[INFO] [stderr]     13:     0x55f7a49e8885 - build_script_build::main::{{closure}}::hba2124b694543722
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qmlrs-0.1.1/build.rs:66
[INFO] [stderr]     14:     0x55f7a49e91e2 - core::result::Result<T,E>::unwrap_or_else::h46f235f347b1531c
[INFO] [stderr]                                  at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/result.rs:853
[INFO] [stderr]     15:     0x55f7a49e848c - build_script_build::main::h2678815266b6e521
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/qmlrs-0.1.1/build.rs:65
[INFO] [stderr]     16:     0x55f7a49e9b5b - std::rt::lang_start::{{closure}}::h1f2901faf4d3b814
[INFO] [stderr]                                  at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55f7a4a24533 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55f7a4a24533 - std::panicking::try::do_call::h45f1f66ee6b987d6
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55f7a4a24533 - std::panicking::try::h0924dfb942cef7e3
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55f7a4a24533 - std::panic::catch_unwind::h883180846c5b53fa
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55f7a4a24533 - std::rt::lang_start_internal::he9284d43a52786c5
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55f7a49e9b37 - std::rt::lang_start::h804d0665a9c8dcd4
[INFO] [stderr]                                  at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55f7a49e899a - main
[INFO] [stderr]     24:     0x7fb3d95d80b3 - __libc_start_main
[INFO] [stderr]     25:     0x55f7a49e818e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d552897707b06817535446f1b3f0cb4f4faa74bc124911791d8662ae3023a349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d552897707b06817535446f1b3f0cb4f4faa74bc124911791d8662ae3023a349", kill_on_drop: false }`
[INFO] [stdout] d552897707b06817535446f1b3f0cb4f4faa74bc124911791d8662ae3023a349