[INFO] fetching crate discord-rcon 0.1.6...
[INFO] building discord-rcon-0.1.6 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate discord-rcon 0.1.6 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate discord-rcon 0.1.6 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discord-rcon 0.1.6
[INFO] finished tweaking crates.io crate discord-rcon 0.1.6
[INFO] tweaked toml for crates.io crate discord-rcon 0.1.6 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate crates.io crate discord-rcon 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.129
[INFO] [stderr]   Downloaded socket2 v0.4.1
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded serde v1.0.129
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.7
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.26
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded hyper v0.14.12
[INFO] [stderr]   Downloaded tracing-core v0.1.19
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded rcon v0.5.1
[INFO] [stderr]   Downloaded tokio v1.10.1
[INFO] [stderr]   Downloaded serenity v0.10.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9ee1c8452bbbf879387a864d33a22d31f5ce60c138060d48fe974c0490699cd
[INFO] running `Command { std: "docker" "start" "-a" "d9ee1c8452bbbf879387a864d33a22d31f5ce60c138060d48fe974c0490699cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9ee1c8452bbbf879387a864d33a22d31f5ce60c138060d48fe974c0490699cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ee1c8452bbbf879387a864d33a22d31f5ce60c138060d48fe974c0490699cd", kill_on_drop: false }`
[INFO] [stdout] d9ee1c8452bbbf879387a864d33a22d31f5ce60c138060d48fe974c0490699cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5ccdc6c60f72564dec18290259cc9ddb6b6b3ac32b72d525daa9a402f2888a
[INFO] running `Command { std: "docker" "start" "-a" "9b5ccdc6c60f72564dec18290259cc9ddb6b6b3ac32b72d525daa9a402f2888a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.69/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8592373f49399cbe -C extra-filename=-8592373f49399cbe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=522c9d77a2dcfe3d -C extra-filename=-522c9d77a2dcfe3d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `encoding_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name encoding_rs --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.8.28/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=fe10152927a6a7c9 -C extra-filename=-fe10152927a6a7c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-90e3626e3c41eec3.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `tracing-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.19/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="lazy_static"' --cfg 'feature="std"' -C metadata=dfb78287a9f18a1a -C extra-filename=-dfb78287a9f18a1a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `httpdate`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name httpdate --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/httpdate-1.0.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=0517d58bead4f50f -C extra-filename=-0517d58bead4f50f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9b5ccdc6c60f72564dec18290259cc9ddb6b6b3ac32b72d525daa9a402f2888a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5ccdc6c60f72564dec18290259cc9ddb6b6b3ac32b72d525daa9a402f2888a", kill_on_drop: false }`
[INFO] [stdout] 9b5ccdc6c60f72564dec18290259cc9ddb6b6b3ac32b72d525daa9a402f2888a