[INFO] cloning repository https://github.com/maelstrom-rs/maelstrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maelstrom-rs/maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaelstrom-rs%2Fmaelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaelstrom-rs%2Fmaelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da6e6cbe6a8fc4f8a1b599a8797a2b64c63cb196
[INFO] checking maelstrom-rs/maelstrom against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaelstrom-rs%2Fmaelstrom" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maelstrom-rs/maelstrom on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maelstrom-rs/maelstrom
[INFO] finished tweaking git repo https://github.com/maelstrom-rs/maelstrom
[INFO] tweaked toml for git repo https://github.com/maelstrom-rs/maelstrom written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/maelstrom-rs/maelstrom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream v0.2.1
[INFO] [stderr]   Downloaded parking_lot_core v0.7.1
[INFO] [stderr]   Downloaded actix-rt v1.1.0
[INFO] [stderr]   Downloaded actix-macros v0.1.1
[INFO] [stderr]   Downloaded actix-threadpool v0.3.1
[INFO] [stderr]   Downloaded copyless v0.1.4
[INFO] [stderr]   Downloaded actix-http v1.0.1
[INFO] [stderr]   Downloaded async-stream-impl v0.2.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.9
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded actix-service v1.0.5
[INFO] [stderr]   Downloaded config v0.10.1
[INFO] [stderr]   Downloaded simple_asn1 v0.4.0
[INFO] [stderr]   Downloaded pin-project v0.4.9
[INFO] [stderr]   Downloaded resolv-conf v0.6.3
[INFO] [stderr]   Downloaded actix-cors v0.2.0
[INFO] [stderr]   Downloaded ahash v0.3.2
[INFO] [stderr]   Downloaded actix_derive v0.5.0
[INFO] [stderr]   Downloaded match_cfg v0.1.0
[INFO] [stderr]   Downloaded bytestring v0.1.5
[INFO] [stderr]   Downloaded actix-utils v1.0.6
[INFO] [stderr]   Downloaded actix-server v1.0.2
[INFO] [stderr]   Downloaded jsonwebtoken v7.1.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded dashmap v3.11.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]   Downloaded actix v0.9.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]   Downloaded brotli-sys v0.3.2
[INFO] [stderr]   Downloaded h2 v0.2.4
[INFO] [stderr]   Downloaded tokio v0.2.18
[INFO] [stderr]   Downloaded sqlx v0.3.4
[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded sqlx-macros v0.3.4
[INFO] [stderr]   Downloaded actix-router v0.2.4
[INFO] [stderr]   Downloaded actix-testing v1.0.0
[INFO] [stderr]   Downloaded lexical-core v0.6.2
[INFO] [stderr]   Downloaded actix-ratelimit v0.2.1
[INFO] [stderr]   Downloaded ruma-identifiers v0.15.1
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] [stderr]   Downloaded actix-tls v1.0.0
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.1
[INFO] [stderr]   Downloaded arc-swap v0.4.5
[INFO] [stderr]   Downloaded enum-as-inner v0.3.2
[INFO] [stderr]   Downloaded actix-connect v1.0.2
[INFO] [stderr]   Downloaded actix-codec v0.2.0
[INFO] [stderr]   Downloaded brotli2 v0.3.2
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded async-trait v0.1.30
[INFO] [stderr]   Downloaded actix-web v2.0.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.3
[INFO] [stderr]   Downloaded serde_test v1.0.106
[INFO] [stderr]   Downloaded pem v0.7.0
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded md-5 v0.8.0
[INFO] [stderr]   Downloaded sqlx-core v0.3.4
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.4
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded awc v1.0.1
[INFO] [stderr]   Downloaded derive_more v0.99.5
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3cde5042b452fc22efe4aa09dac5d061eec6364b989ddacdc0aa44037bb80f8
[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" "e3cde5042b452fc22efe4aa09dac5d061eec6364b989ddacdc0aa44037bb80f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3cde5042b452fc22efe4aa09dac5d061eec6364b989ddacdc0aa44037bb80f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cde5042b452fc22efe4aa09dac5d061eec6364b989ddacdc0aa44037bb80f8", kill_on_drop: false }`
[INFO] [stdout] e3cde5042b452fc22efe4aa09dac5d061eec6364b989ddacdc0aa44037bb80f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469e2c79417b197fe6d193f4aa7ae289b57ba66565aa338bef6ce51d09746f5f
[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" "469e2c79417b197fe6d193f4aa7ae289b57ba66565aa338bef6ce51d09746f5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking anyhow v1.0.28
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling lexical-core v0.6.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking simple_asn1 v0.4.0
[INFO] [stderr]     Checking dashmap v3.11.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr] error: could not compile `pin-project-internal`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pin_project_internal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-project-internal-0.4.9/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=7238377acc0f0ce3 -C extra-filename=-7238377acc0f0ce3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2f0f5fad9664be95.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-05bd79bfcb09cc1e.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-e7a3c6b15532eeec.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" "469e2c79417b197fe6d193f4aa7ae289b57ba66565aa338bef6ce51d09746f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469e2c79417b197fe6d193f4aa7ae289b57ba66565aa338bef6ce51d09746f5f", kill_on_drop: false }`
[INFO] [stdout] 469e2c79417b197fe6d193f4aa7ae289b57ba66565aa338bef6ce51d09746f5f
