[INFO] fetching crate competitive-hpp 0.10.23...
[INFO] checking competitive-hpp-0.10.23 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate competitive-hpp 0.10.23 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate competitive-hpp 0.10.23 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate competitive-hpp 0.10.23
[INFO] finished tweaking crates.io crate competitive-hpp 0.10.23
[INFO] tweaked toml for crates.io crate competitive-hpp 0.10.23 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded memoise v0.3.2
[INFO] [stderr]   Downloaded proconio-derive v0.2.1
[INFO] [stderr]   Downloaded proconio v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4152164f8ab79b4fa600983d0884ca4323c8d04d93a365e2438ae13e2d7eac56
[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" "4152164f8ab79b4fa600983d0884ca4323c8d04d93a365e2438ae13e2d7eac56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4152164f8ab79b4fa600983d0884ca4323c8d04d93a365e2438ae13e2d7eac56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4152164f8ab79b4fa600983d0884ca4323c8d04d93a365e2438ae13e2d7eac56", kill_on_drop: false }`
[INFO] [stdout] 4152164f8ab79b4fa600983d0884ca4323c8d04d93a365e2438ae13e2d7eac56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e26d021c541aab61672d8e0b270ca04df821c92867421587be0becc65076e035
[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" "e26d021c541aab61672d8e0b270ca04df821c92867421587be0becc65076e035", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling proconio-derive v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling memoise v0.3.2
[INFO] [stderr]     Checking proconio v0.4.3
[INFO] [stderr]     Checking competitive-hpp v0.10.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/dijkstra.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     n: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]   --> src/dijkstra.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     n: T,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.30s
[INFO] running `Command { std: "docker" "inspect" "e26d021c541aab61672d8e0b270ca04df821c92867421587be0becc65076e035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26d021c541aab61672d8e0b270ca04df821c92867421587be0becc65076e035", kill_on_drop: false }`
[INFO] [stdout] e26d021c541aab61672d8e0b270ca04df821c92867421587be0becc65076e035