[INFO] cloning repository https://github.com/simonhdickson/random-bru-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonhdickson/random-bru-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Frandom-bru-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Frandom-bru-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4179555a480726af469d0e38b6096407da2a060b
[INFO] checking simonhdickson/random-bru-bot against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonhdickson%2Frandom-bru-bot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonhdickson/random-bru-bot on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonhdickson/random-bru-bot
[INFO] finished tweaking git repo https://github.com/simonhdickson/random-bru-bot
[INFO] tweaked toml for git repo https://github.com/simonhdickson/random-bru-bot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/simonhdickson/random-bru-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e452b70b235b1b61cfb8f7431c5c652cd6365373485cdabcb1e448f5184175d8
[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" "e452b70b235b1b61cfb8f7431c5c652cd6365373485cdabcb1e448f5184175d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e452b70b235b1b61cfb8f7431c5c652cd6365373485cdabcb1e448f5184175d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e452b70b235b1b61cfb8f7431c5c652cd6365373485cdabcb1e448f5184175d8", kill_on_drop: false }`
[INFO] [stdout] e452b70b235b1b61cfb8f7431c5c652cd6365373485cdabcb1e448f5184175d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff89ecc2d747c483cbc55547330d7489fe7c27fd7f4e100a17c141290bfa731
[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" "6ff89ecc2d747c483cbc55547330d7489fe7c27fd7f4e100a17c141290bfa731", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.2.0 (https://github.com/ruma/ruma?rev=8c109d3c0a7ec66b352dc82677d30db7cb0723eb#8c109d3c)
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.70
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bumpalo v3.5.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.1
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling olm-sys v1.0.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking cron v0.7.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.18.0-alpha.1 (https://github.com/ruma/ruma?rev=8c109d3c0a7ec66b352dc82677d30db7cb0723eb#8c109d3c)
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.70
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking chacha20 v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking chacha20poly1305 v0.7.1
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.123/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 --cfg 'feature="default"' -C metadata=509884c5d1137630 -C extra-filename=-509884c5d1137630 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1a6a39c3cd9b115f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c19654f4bfde824f.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7f94cc992c913bad.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (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" "6ff89ecc2d747c483cbc55547330d7489fe7c27fd7f4e100a17c141290bfa731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff89ecc2d747c483cbc55547330d7489fe7c27fd7f4e100a17c141290bfa731", kill_on_drop: false }`
[INFO] [stdout] 6ff89ecc2d747c483cbc55547330d7489fe7c27fd7f4e100a17c141290bfa731