[INFO] cloning repository https://github.com/ticki/rebar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ticki/rebar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Frebar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Frebar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 971b493419ba89ce027e70bdd90217efbea6365c
[INFO] checking ticki/rebar against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fticki%2Frebar" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ticki/rebar on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ticki/rebar
[INFO] finished tweaking git repo https://github.com/ticki/rebar
[INFO] tweaked toml for git repo https://github.com/ticki/rebar written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ticki/rebar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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-4/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[INFO] the lockfile is outdated, regenerating it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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded hyper v0.13.9
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.0
[INFO] [stderr]   Downloaded tinyvec v1.1.0
[INFO] [stderr]   Downloaded base-x v0.2.8
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.27
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.16
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded quasi_macros v0.20.0
[INFO] [stderr]   Downloaded http-body v0.3.1
[INFO] [stderr]   Downloaded safemem v0.3.3
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.8.9
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded http v0.2.1
[INFO] [stderr]   Downloaded tokio v0.2.24
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded matches v0.1.8
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded time v0.2.23
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded httpdate v0.3.2
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded httparse v1.3.4
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded stdweb v0.4.20
[INFO] [stderr]   Downloaded hyper v0.10.16
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded mustache v0.9.0
[INFO] [stderr]   Downloaded serde_macros v0.8.9
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded stdweb-derive v0.5.3
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.9
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded pin-project v0.4.27
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded quasi v0.20.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded nickel v0.11.0
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded tokio-util v0.3.1
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded serde_codegen v0.8.9
[INFO] [stderr]   Downloaded aster v0.27.0
[INFO] [stderr]   Downloaded quasi_codegen v0.20.0
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e0e46a86d4874fb902fde58e7fc87ce51f3d0cb4efba20bcac13e47e3a6f722
[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" "9e0e46a86d4874fb902fde58e7fc87ce51f3d0cb4efba20bcac13e47e3a6f722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0e46a86d4874fb902fde58e7fc87ce51f3d0cb4efba20bcac13e47e3a6f722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0e46a86d4874fb902fde58e7fc87ce51f3d0cb4efba20bcac13e47e3a6f722", kill_on_drop: false }`
[INFO] [stdout] 9e0e46a86d4874fb902fde58e7fc87ce51f3d0cb4efba20bcac13e47e3a6f722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00a17dbe4cc4d221b49accb50c87e8934455677273ee279a3f6f5d8e1cdde05b
[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" "00a17dbe4cc4d221b49accb50c87e8934455677273ee279a3f6f5d8e1cdde05b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling aster v0.27.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling serde_codegen v0.8.9
[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" "00a17dbe4cc4d221b49accb50c87e8934455677273ee279a3f6f5d8e1cdde05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a17dbe4cc4d221b49accb50c87e8934455677273ee279a3f6f5d8e1cdde05b", kill_on_drop: false }`
[INFO] [stdout] 00a17dbe4cc4d221b49accb50c87e8934455677273ee279a3f6f5d8e1cdde05b