[INFO] fetching crate mushin 0.5.0...
[INFO] checking mushin-0.5.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate mushin 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mushin 0.5.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mushin 0.5.0
[INFO] finished tweaking crates.io crate mushin 0.5.0
[INFO] tweaked toml for crates.io crate mushin 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.1)
[INFO] [stderr]       Adding num v0.2.1 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.2)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arrayfire v3.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 250979cbcb1403ba55e16d59031767f733e7324f37487e722b4a827cdf4efa38
[INFO] running `Command { std: "docker" "start" "-a" "250979cbcb1403ba55e16d59031767f733e7324f37487e722b4a827cdf4efa38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "250979cbcb1403ba55e16d59031767f733e7324f37487e722b4a827cdf4efa38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250979cbcb1403ba55e16d59031767f733e7324f37487e722b4a827cdf4efa38", kill_on_drop: false }`
[INFO] [stdout] 250979cbcb1403ba55e16d59031767f733e7324f37487e722b4a827cdf4efa38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475ec315106aa1672e7e011104a3d649c7fde34b3b9c714d5072d2b1ba630af5
[INFO] running `Command { std: "docker" "start" "-a" "475ec315106aa1672e7e011104a3d649c7fde34b3b9c714d5072d2b1ba630af5", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling arrayfire v3.8.0
[INFO] [stderr]     Checking mushin v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BinaryReverseFn` and `UnaryReverseFn`
[INFO] [stdout]  --> src/graph/tape.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::graph::node::{BinaryReverseFn, NodeId, UnaryReverseFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryReverseFn` and `UnaryReverseFn`
[INFO] [stdout]  --> src/graph/tape.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use crate::graph::node::{BinaryReverseFn, NodeId, UnaryReverseFn};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "475ec315106aa1672e7e011104a3d649c7fde34b3b9c714d5072d2b1ba630af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475ec315106aa1672e7e011104a3d649c7fde34b3b9c714d5072d2b1ba630af5", kill_on_drop: false }`
[INFO] [stdout] 475ec315106aa1672e7e011104a3d649c7fde34b3b9c714d5072d2b1ba630af5