[INFO] fetching crate ross 0.1.7...
[INFO] building ross-0.1.7 against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] extracting crate ross 0.1.7 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate ross 0.1.7 on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ross 0.1.7
[INFO] finished tweaking crates.io crate ross 0.1.7
[INFO] tweaked toml for crates.io crate ross 0.1.7 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "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" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa09edbbf1c86d433f383928aa21f7ae8244d1a67b0d28a0b3e18dc1bf43f59
[INFO] running `Command { std: "docker" "start" "-a" "5aa09edbbf1c86d433f383928aa21f7ae8244d1a67b0d28a0b3e18dc1bf43f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa09edbbf1c86d433f383928aa21f7ae8244d1a67b0d28a0b3e18dc1bf43f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa09edbbf1c86d433f383928aa21f7ae8244d1a67b0d28a0b3e18dc1bf43f59", kill_on_drop: false }`
[INFO] [stdout] 5aa09edbbf1c86d433f383928aa21f7ae8244d1a67b0d28a0b3e18dc1bf43f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae544e5cb97d8fea2aae35fe9d12efb73e9082caae4c9ed2725686b596010608
[INFO] running `Command { std: "docker" "start" "-a" "ae544e5cb97d8fea2aae35fe9d12efb73e9082caae4c9ed2725686b596010608", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling parking_lot v0.3.8
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling multiqueue v0.3.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling statistical v0.1.1
[INFO] [stderr]    Compiling ross v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/io/seq.rs:49:36
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn sanitize_id(id: &String) -> (String);
[INFO] [stdout]    |                                    ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 -     fn sanitize_id(id: &String) -> (String);
[INFO] [stdout] 49 +     fn sanitize_id(id: &String) -> String;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/io/seq.rs:116:36
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn sanitize_id(id: &String) -> (String) {
[INFO] [stdout]     |                                    ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -     fn sanitize_id(id: &String) -> (String) {
[INFO] [stdout] 116 +     fn sanitize_id(id: &String) -> String {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ross`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name friends_emma src/bin/friends_emma.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=2d5072c7460cf562 -C extra-filename=-2d5072c7460cf562 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-25327fafcfd1148d.rlib --extern multiqueue=/opt/rustwide/target/debug/deps/libmultiqueue-3b33e7cc4882c652.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-25a5a4afee610e1d.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-02f4c6e8ca66d667.rlib --extern ross=/opt/rustwide/target/debug/deps/libross-8d8f8a8935facb20.rlib --extern statistical=/opt/rustwide/target/debug/deps/libstatistical-fdc96ab7fea1944f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ross`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name friends_joey src/bin/friends_joey.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=fffbda7090de62df -C extra-filename=-fffbda7090de62df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-25327fafcfd1148d.rlib --extern multiqueue=/opt/rustwide/target/debug/deps/libmultiqueue-3b33e7cc4882c652.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-25a5a4afee610e1d.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-02f4c6e8ca66d667.rlib --extern ross=/opt/rustwide/target/debug/deps/libross-8d8f8a8935facb20.rlib --extern statistical=/opt/rustwide/target/debug/deps/libstatistical-fdc96ab7fea1944f.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ae544e5cb97d8fea2aae35fe9d12efb73e9082caae4c9ed2725686b596010608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae544e5cb97d8fea2aae35fe9d12efb73e9082caae4c9ed2725686b596010608", kill_on_drop: false }`
[INFO] [stdout] ae544e5cb97d8fea2aae35fe9d12efb73e9082caae4c9ed2725686b596010608