[INFO] cloning repository https://github.com/jamestjw/requin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamestjw/requin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestjw%2Frequin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestjw%2Frequin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19c559b4bbfdbba26d07a5f20c06e192f4a61f90
[INFO] checking jamestjw/requin against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestjw%2Frequin" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jamestjw/requin
[INFO] finished tweaking git repo https://github.com/jamestjw/requin
[INFO] tweaked toml for git repo https://github.com/jamestjw/requin written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jamestjw/requin on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jamestjw/requin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d29d4ad332e4709b75af73fcf2237bdd6029851e79995135daaa41dbacdf6b7d
[INFO] running `Command { std: "docker" "start" "-a" "d29d4ad332e4709b75af73fcf2237bdd6029851e79995135daaa41dbacdf6b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29d4ad332e4709b75af73fcf2237bdd6029851e79995135daaa41dbacdf6b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29d4ad332e4709b75af73fcf2237bdd6029851e79995135daaa41dbacdf6b7d", kill_on_drop: false }`
[INFO] [stdout] d29d4ad332e4709b75af73fcf2237bdd6029851e79995135daaa41dbacdf6b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ffb01dacb66da737eaadce20a9f506d13ec89f4f117d8862ee970febd4eecf
[INFO] running `Command { std: "docker" "start" "-a" "e4ffb01dacb66da737eaadce20a9f506d13ec89f4f117d8862ee970febd4eecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling rustversion v1.0.13
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking fragile v1.2.2
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling mockall_double v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling mockall_derive v0.8.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking requin v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `div_duration` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(div_duration)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     #[structopt(
[INFO] [stdout] 13 | |         short,
[INFO] [stdout] 14 | |         long,
[INFO] [stdout] 15 | |         default_value = "uci",
[INFO] [stdout] 16 | |         help = "Available game modes: 'ai', 'pvp' and 'uci'"
[INFO] [stdout] 17 | |     )]
[INFO] [stdout] 18 | |     mode: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `requin` (bin "requin") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e4ffb01dacb66da737eaadce20a9f506d13ec89f4f117d8862ee970febd4eecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ffb01dacb66da737eaadce20a9f506d13ec89f4f117d8862ee970febd4eecf", kill_on_drop: false }`
[INFO] [stdout] e4ffb01dacb66da737eaadce20a9f506d13ec89f4f117d8862ee970febd4eecf