[INFO] cloning repository https://github.com/racer-rust/racer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/racer-rust/racer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fracer-rust%2Fracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fracer-rust%2Fracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4bcf46c7a908eb53eeb69ec421c5ee44e879902
[INFO] checking racer-rust/racer against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fracer-rust%2Fracer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/racer-rust/racer on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/racer-rust/racer
[INFO] removed workspace from git repo https://github.com/racer-rust/racer
[INFO] removed path dependency racer-cargo-metadata from git repo https://github.com/racer-rust/racer
[INFO] removed path dependency racer-testutils from git repo https://github.com/racer-rust/racer
[INFO] finished tweaking git repo https://github.com/racer-rust/racer
[INFO] tweaked toml for git repo https://github.com/racer-rust/racer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/racer-rust/racer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_session v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_fs_util v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_lexer v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_errors v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v671.0.0
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded racer-interner v0.1.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v671.0.0
[INFO] [stderr]   Downloaded psm v0.1.11
[INFO] [stderr]   Downloaded stacker v0.1.11
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v671.0.0
[INFO] [stderr]   Downloaded rls-span v0.5.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_pretty v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_feature v671.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_target v671.0.0
[INFO] [stderr]   Downloaded racer-testutils v0.1.0
[INFO] [stderr]   Downloaded racer v2.1.37
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast v671.0.0
[INFO] [stderr]   Downloaded racer-cargo-metadata v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5b8d9cfe160548b6677bebba1623a0e6f6d021f8b33b639ba7588de746e13d9
[INFO] running `Command { std: "docker" "start" "-a" "b5b8d9cfe160548b6677bebba1623a0e6f6d021f8b33b639ba7588de746e13d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b8d9cfe160548b6677bebba1623a0e6f6d021f8b33b639ba7588de746e13d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b8d9cfe160548b6677bebba1623a0e6f6d021f8b33b639ba7588de746e13d9", kill_on_drop: false }`
[INFO] [stdout] b5b8d9cfe160548b6677bebba1623a0e6f6d021f8b33b639ba7588de746e13d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30de12ec0c990593404ed0ea02ec5cb733f3c4a303fe0ddc652e7cc71b8faf6a
[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" "30de12ec0c990593404ed0ea02ec5cb733f3c4a303fe0ddc652e7cc71b8faf6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v671.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v671.0.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling psm v0.1.11
[INFO] [stderr]    Compiling stacker v0.1.11
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v671.0.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jobserver v0.1.21
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v671.0.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking measureme v0.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v671.0.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v671.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking rustc-ap-rustc_span v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_target v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v671.0.0
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking rustc-ap-rustc_session v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast_pretty v671.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_parse v671.0.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking racer-interner v0.1.0
[INFO] [stderr]     Checking rls-span v0.5.2
[INFO] [stderr]     Checking racer-cargo-metadata v0.1.1
[INFO] [stderr]     Checking racer v2.1.37
[INFO] [stderr]     Checking racer v2.1.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking racer-testutils v0.1.0
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/racer-testutils-0.1.0/src/lib.rs:191:19
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let session = racer::Session::new(&cache);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ ------ supplied 1 argument
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/racer-testutils-0.1.0/src/lib.rs:219:19
[INFO] [stdout]     |
[INFO] [stdout] 219 |     let session = racer::Session::new(&cache);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^ ------ supplied 1 argument
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `racer-testutils`.
[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" "30de12ec0c990593404ed0ea02ec5cb733f3c4a303fe0ddc652e7cc71b8faf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30de12ec0c990593404ed0ea02ec5cb733f3c4a303fe0ddc652e7cc71b8faf6a", kill_on_drop: false }`
[INFO] [stdout] 30de12ec0c990593404ed0ea02ec5cb733f3c4a303fe0ddc652e7cc71b8faf6a