[INFO] cloning repository https://github.com/kamalmarhubi/syntex-syntax-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamalmarhubi/syntex-syntax-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fsyntex-syntax-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fsyntex-syntax-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfc6bccc5c5aa2de5d312ab6d14b405dabed59ca
[INFO] checking kamalmarhubi/syntex-syntax-example against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamalmarhubi%2Fsyntex-syntax-example" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamalmarhubi/syntex-syntax-example on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamalmarhubi/syntex-syntax-example
[INFO] finished tweaking git repo https://github.com/kamalmarhubi/syntex-syntax-example
[INFO] tweaked toml for git repo https://github.com/kamalmarhubi/syntex-syntax-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/kamalmarhubi/syntex-syntax-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded pad v0.1.4
[INFO] [stderr]   Downloaded extprim v1.7.1
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded libc v0.2.11
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] [stderr]   Downloaded winapi v0.2.7
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f793e672c60929f090a57f062e467e40beff088ce0355a53aff6cd50d70a60
[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" "13f793e672c60929f090a57f062e467e40beff088ce0355a53aff6cd50d70a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f793e672c60929f090a57f062e467e40beff088ce0355a53aff6cd50d70a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f793e672c60929f090a57f062e467e40beff088ce0355a53aff6cd50d70a60", kill_on_drop: false }`
[INFO] [stdout] 13f793e672c60929f090a57f062e467e40beff088ce0355a53aff6cd50d70a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2602a64f9984f57d5fbb0e0a2b3868f30e8c3b04d5521e5c38e984dc20e68ca2
[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" "2602a64f9984f57d5fbb0e0a2b3868f30e8c3b04d5521e5c38e984dc20e68ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking pad v0.1.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stdout] error[E0425]: cannot find function `pthread_atfork` in crate `libc`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/rngs/adapter/reseeding.rs:320:28
[INFO] [stdout]     |
[INFO] [stdout] 320 |             unsafe { libc::pthread_atfork(None, None, Some(fork_handler)) };
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2602a64f9984f57d5fbb0e0a2b3868f30e8c3b04d5521e5c38e984dc20e68ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2602a64f9984f57d5fbb0e0a2b3868f30e8c3b04d5521e5c38e984dc20e68ca2", kill_on_drop: false }`
[INFO] [stdout] 2602a64f9984f57d5fbb0e0a2b3868f30e8c3b04d5521e5c38e984dc20e68ca2