[INFO] fetching crate aflak_primitives 0.0.3...
[INFO] checking aflak_primitives-0.0.3 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate aflak_primitives 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate aflak_primitives 0.0.3 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 crates.io crate aflak_primitives 0.0.3
[INFO] finished tweaking crates.io crate aflak_primitives 0.0.3
[INFO] tweaked toml for crates.io crate aflak_primitives 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded fitrs v0.2.6
[INFO] [stderr]   Downloaded boow v0.1.3
[INFO] [stderr]   Downloaded ndarray v0.11.2
[INFO] [stderr]   Downloaded variant_name_derive v0.0.1
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded aflak_cake v0.0.3
[INFO] [stderr]   Downloaded variant_name v0.0.1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ef2c74357be8b5ddd38355623494b52c3d9caac732f592aa96e12ad1c148228
[INFO] running `Command { std: "docker" "start" "-a" "2ef2c74357be8b5ddd38355623494b52c3d9caac732f592aa96e12ad1c148228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ef2c74357be8b5ddd38355623494b52c3d9caac732f592aa96e12ad1c148228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef2c74357be8b5ddd38355623494b52c3d9caac732f592aa96e12ad1c148228", kill_on_drop: false }`
[INFO] [stdout] 2ef2c74357be8b5ddd38355623494b52c3d9caac732f592aa96e12ad1c148228
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634aa303c63a7913b1636c9acf390e168284673c67af3ca5b69f42c0b4d3b5c8
[INFO] running `Command { std: "docker" "start" "-a" "634aa303c63a7913b1636c9acf390e168284673c67af3ca5b69f42c0b4d3b5c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking variant_name v0.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking boow v0.1.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking fitrs v0.2.6
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling variant_name_derive v0.0.1
[INFO] [stderr]     Checking aflak_cake v0.0.3
[INFO] [stderr]     Checking aflak_primitives v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.95s
[INFO] running `Command { std: "docker" "inspect" "634aa303c63a7913b1636c9acf390e168284673c67af3ca5b69f42c0b4d3b5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634aa303c63a7913b1636c9acf390e168284673c67af3ca5b69f42c0b4d3b5c8", kill_on_drop: false }`
[INFO] [stdout] 634aa303c63a7913b1636c9acf390e168284673c67af3ca5b69f42c0b4d3b5c8