[INFO] cloning repository https://github.com/MetaDark/elemeld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MetaDark/elemeld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetaDark%2Felemeld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetaDark%2Felemeld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5006781748ee85a1326986beb92086acb1eed0ba
[INFO] checking MetaDark/elemeld against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetaDark%2Felemeld" "/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/MetaDark/elemeld on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MetaDark/elemeld
[INFO] finished tweaking git repo https://github.com/MetaDark/elemeld
[INFO] tweaked toml for git repo https://github.com/MetaDark/elemeld written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/MetaDark/elemeld already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/MetaDark/x11-rs.git`
[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[INFO] the lockfile is outdated, regenerating it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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/MetaDark/x11-rs.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded mio v0.7.0
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded matches v0.1.8
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded cc v1.0.59
[INFO] [stderr]   Downloaded unicode-normalization v0.1.13
[INFO] [stderr]   Downloaded bincode v1.3.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded httparse v1.3.4
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded socket2 v0.3.12
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded url v2.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded mio v0.6.22
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded quasi_codegen v0.20.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.8.9
[INFO] [stderr]   Downloaded dylib v0.0.1
[INFO] [stderr]   Downloaded quasi v0.20.1
[INFO] [stderr]   Downloaded quasi_macros v0.20.0
[INFO] [stderr]   Downloaded serde_codegen v0.8.9
[INFO] [stderr]   Downloaded docopt_macros v0.8.1
[INFO] [stderr]   Downloaded dylib v0.0.3
[INFO] [stderr]   Downloaded serde_macros v0.8.9
[INFO] [stderr]   Downloaded aster v0.27.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de0976246522ecef3708320f88d87f8e4c212ddb69cdfdbfda6ff10d237a409c
[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" "de0976246522ecef3708320f88d87f8e4c212ddb69cdfdbfda6ff10d237a409c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0976246522ecef3708320f88d87f8e4c212ddb69cdfdbfda6ff10d237a409c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0976246522ecef3708320f88d87f8e4c212ddb69cdfdbfda6ff10d237a409c", kill_on_drop: false }`
[INFO] [stdout] de0976246522ecef3708320f88d87f8e4c212ddb69cdfdbfda6ff10d237a409c
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 583914fe14e45ddff7b24cff457558d5031e0d1cd2e8f8ab10b52dd02a9ba09a
[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" "583914fe14e45ddff7b24cff457558d5031e0d1cd2e8f8ab10b52dd02a9ba09a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde_codegen v0.8.9
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.27.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster`.
[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" "583914fe14e45ddff7b24cff457558d5031e0d1cd2e8f8ab10b52dd02a9ba09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583914fe14e45ddff7b24cff457558d5031e0d1cd2e8f8ab10b52dd02a9ba09a", kill_on_drop: false }`
[INFO] [stdout] 583914fe14e45ddff7b24cff457558d5031e0d1cd2e8f8ab10b52dd02a9ba09a