[INFO] fetching crate myopic 0.1.2...
[INFO] checking myopic-0.1.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate myopic 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate myopic 0.1.2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate myopic 0.1.2
[INFO] finished tweaking crates.io crate myopic 0.1.2
[INFO] tweaked toml for crates.io crate myopic 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f5f3286e4454e48faf2088a5757bc406081272ff95685bb6ceef04a655b3e2c
[INFO] running `Command { std: "docker" "start" "-a" "8f5f3286e4454e48faf2088a5757bc406081272ff95685bb6ceef04a655b3e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f5f3286e4454e48faf2088a5757bc406081272ff95685bb6ceef04a655b3e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5f3286e4454e48faf2088a5757bc406081272ff95685bb6ceef04a655b3e2c", kill_on_drop: false }`
[INFO] [stdout] 8f5f3286e4454e48faf2088a5757bc406081272ff95685bb6ceef04a655b3e2c
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce65294fc1527dcd3d2d7db95610b2ab2f6e30fad28eafbbdcd8d52933935ea4
[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" "ce65294fc1527dcd3d2d7db95610b2ab2f6e30fad28eafbbdcd8d52933935ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking myopic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: unused import: `myopic::lens_box::*`
[INFO] [stdout]  --> benches/bench.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use myopic::lens_box::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `myopic::lens_fn::*`
[INFO] [stdout]   --> benches/bench.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use myopic::lens_fn::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.34s
[INFO] running `Command { std: "docker" "inspect" "ce65294fc1527dcd3d2d7db95610b2ab2f6e30fad28eafbbdcd8d52933935ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce65294fc1527dcd3d2d7db95610b2ab2f6e30fad28eafbbdcd8d52933935ea4", kill_on_drop: false }`
[INFO] [stdout] ce65294fc1527dcd3d2d7db95610b2ab2f6e30fad28eafbbdcd8d52933935ea4