[INFO] fetching crate c2-chacha 0.3.3...
[INFO] checking c2-chacha-0.3.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate c2-chacha 0.3.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate c2-chacha 0.3.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c2-chacha 0.3.3
[INFO] finished tweaking crates.io crate c2-chacha 0.3.3
[INFO] tweaked toml for crates.io crate c2-chacha 0.3.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4676c6392675dd0d2b43b33a13e10eff7c7996ea99535ddd730b1d8db143fbec
[INFO] running `Command { std: "docker" "start" "-a" "4676c6392675dd0d2b43b33a13e10eff7c7996ea99535ddd730b1d8db143fbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4676c6392675dd0d2b43b33a13e10eff7c7996ea99535ddd730b1d8db143fbec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4676c6392675dd0d2b43b33a13e10eff7c7996ea99535ddd730b1d8db143fbec", kill_on_drop: false }`
[INFO] [stdout] 4676c6392675dd0d2b43b33a13e10eff7c7996ea99535ddd730b1d8db143fbec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa395c6a160c5d1ef1a0fe5133f440acecb3beb81a28d1577c87c50a5a29acce
[INFO] running `Command { std: "docker" "start" "-a" "aa395c6a160c5d1ef1a0fe5133f440acecb3beb81a28d1577c87c50a5a29acce", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking c2-chacha v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `stream_cipher`
[INFO] [stdout]  --> benches/chacha20.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate stream_cipher;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c2-chacha` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "aa395c6a160c5d1ef1a0fe5133f440acecb3beb81a28d1577c87c50a5a29acce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa395c6a160c5d1ef1a0fe5133f440acecb3beb81a28d1577c87c50a5a29acce", kill_on_drop: false }`
[INFO] [stdout] aa395c6a160c5d1ef1a0fe5133f440acecb3beb81a28d1577c87c50a5a29acce