[INFO] cloning repository https://github.com/picolov/otter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/picolov/otter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicolov%2Fotter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicolov%2Fotter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e143ea95788de77e7b24f96caba8b5f14e45967
[INFO] checking picolov/otter against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicolov%2Fotter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/picolov/otter 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/picolov/otter
[INFO] finished tweaking git repo https://github.com/picolov/otter
[INFO] tweaked toml for git repo https://github.com/picolov/otter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/picolov/otter 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]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.1.0
[INFO] [stderr]   Downloaded actix-session v0.4.1
[INFO] [stderr]   Downloaded actix-files v0.3.0
[INFO] [stderr]   Downloaded v_htmlescape v0.10.4
[INFO] [stderr]   Downloaded buf-min v0.1.1
[INFO] [stderr]   Downloaded v_escape_derive v0.8.4
[INFO] [stderr]   Downloaded const_fn v0.4.7
[INFO] [stderr]   Downloaded v_escape v0.13.2
[INFO] [stderr]   Downloaded regex v1.5.3
[INFO] [stderr]   Downloaded httparse v1.4.0
[INFO] [stderr]   Downloaded sha-1 v0.9.5
[INFO] [stderr]   Downloaded sha2 v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] dd85263f0564542c1563cc01bda7db7b17c7e427977d5b9aa649733285134f5a
[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" "dd85263f0564542c1563cc01bda7db7b17c7e427977d5b9aa649733285134f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd85263f0564542c1563cc01bda7db7b17c7e427977d5b9aa649733285134f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd85263f0564542c1563cc01bda7db7b17c7e427977d5b9aa649733285134f5a", kill_on_drop: false }`
[INFO] [stdout] dd85263f0564542c1563cc01bda7db7b17c7e427977d5b9aa649733285134f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5ee37d3d1a7591e8e33601d4542151318170c0ff3667f2f6fbd4761ab866260a
[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" "5ee37d3d1a7591e8e33601d4542151318170c0ff3667f2f6fbd4761ab866260a", 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] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking cpufeatures v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling v_escape v0.13.2
[INFO] [stderr]    Compiling v_htmlescape v0.10.4
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking buf-min v0.1.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.4
[INFO] [stderr]     Checking sha-1 v0.9.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr] error: could not compile `async-trait`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.50/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=12ed6336d5550624 -C extra-filename=-12ed6336d5550624 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-23608f24c3a1574e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-6d7a5e7a3e5f505c.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-81c0d72343730470.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5ee37d3d1a7591e8e33601d4542151318170c0ff3667f2f6fbd4761ab866260a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee37d3d1a7591e8e33601d4542151318170c0ff3667f2f6fbd4761ab866260a", kill_on_drop: false }`
[INFO] [stdout] 5ee37d3d1a7591e8e33601d4542151318170c0ff3667f2f6fbd4761ab866260a