[INFO] cloning repository https://github.com/tdaira/rust-aoj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tdaira/rust-aoj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaira%2Frust-aoj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaira%2Frust-aoj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48efbc53469bdd3b62c668ab54a94e9633160749
[INFO] checking tdaira/rust-aoj against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftdaira%2Frust-aoj" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tdaira/rust-aoj on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tdaira/rust-aoj
[INFO] finished tweaking git repo https://github.com/tdaira/rust-aoj
[INFO] tweaked toml for git repo https://github.com/tdaira/rust-aoj written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tdaira/rust-aoj already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81b9ea99436dcb1e0d56ab355ca9c4f062e26121180be9c665c9578cc29fec63
[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" "81b9ea99436dcb1e0d56ab355ca9c4f062e26121180be9c665c9578cc29fec63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81b9ea99436dcb1e0d56ab355ca9c4f062e26121180be9c665c9578cc29fec63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b9ea99436dcb1e0d56ab355ca9c4f062e26121180be9c665c9578cc29fec63", kill_on_drop: false }`
[INFO] [stdout] 81b9ea99436dcb1e0d56ab355ca9c4f062e26121180be9c665c9578cc29fec63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 080abe392c2dcf7012d08e3326bcf8e2769d92b9bd1acff849c7c8552d6fb8a1
[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" "080abe392c2dcf7012d08e3326bcf8e2769d92b9bd1acff849c7c8552d6fb8a1", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-aoj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `can_over_write` is never read
[INFO] [stdout]   --> src/0403/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut can_over_write = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_distance` is never read
[INFO] [stdout]   --> src/0403/main.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let mut left_distance = std::i64::MAX;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `right_distance` is never read
[INFO] [stdout]   --> src/0403/main.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut right_distance = std::i64::MAX;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `can_over_write` is never read
[INFO] [stdout]   --> src/0403/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut can_over_write = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_distance` is never read
[INFO] [stdout]   --> src/0403/main.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let mut left_distance = std::i64::MAX;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `right_distance` is never read
[INFO] [stdout]   --> src/0403/main.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let mut right_distance = std::i64::MAX;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "080abe392c2dcf7012d08e3326bcf8e2769d92b9bd1acff849c7c8552d6fb8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080abe392c2dcf7012d08e3326bcf8e2769d92b9bd1acff849c7c8552d6fb8a1", kill_on_drop: false }`
[INFO] [stdout] 080abe392c2dcf7012d08e3326bcf8e2769d92b9bd1acff849c7c8552d6fb8a1