[INFO] cloning repository https://github.com/crystal-linux/malachite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crystal-linux/malachite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystal-linux%2Fmalachite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystal-linux%2Fmalachite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df7105e74feb2d96541463ff58b6ead9be6b48e7
[INFO] checking crystal-linux/malachite 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%2Fcrystal-linux%2Fmalachite" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/crystal-linux/malachite
[INFO] finished tweaking git repo https://github.com/crystal-linux/malachite
[INFO] tweaked toml for git repo https://github.com/crystal-linux/malachite written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/crystal-linux/malachite 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/crystal-linux/malachite 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5b9ad4381dbd82f64d7ec67d0b95d5a3752d96da3ec3a2d1c22960504e0348e7
[INFO] running `Command { std: "docker" "start" "-a" "5b9ad4381dbd82f64d7ec67d0b95d5a3752d96da3ec3a2d1c22960504e0348e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b9ad4381dbd82f64d7ec67d0b95d5a3752d96da3ec3a2d1c22960504e0348e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9ad4381dbd82f64d7ec67d0b95d5a3752d96da3ec3a2d1c22960504e0348e7", kill_on_drop: false }`
[INFO] [stdout] 5b9ad4381dbd82f64d7ec67d0b95d5a3752d96da3ec3a2d1c22960504e0348e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a8cdf88ac93782628a4e262e9b1d70650e1e2b7c2342a0397c1bfc9a8bf6e98a
[INFO] running `Command { std: "docker" "start" "-a" "a8cdf88ac93782628a4e262e9b1d70650e1e2b7c2342a0397c1bfc9a8bf6e98a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling psm v0.1.20
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.25
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook v0.3.14
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking rm_rf v0.6.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking mimalloc v0.1.29
[INFO] [stderr]     Checking ansitok v0.1.0
[INFO] [stderr]     Checking ansi-str v0.3.0
[INFO] [stderr]     Checking papergrid v0.5.1
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling strum_macros v0.24.2
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling tabled_derive v0.4.0
[INFO] [stderr]     Checking tabled v0.8.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking spinoff v0.5.4
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking Malachite v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ConfigRepositoriesExpanded` is never constructed
[INFO] [stdout]   --> src/internal/structs.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct ConfigRepositoriesExpanded {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 id: split[0].parse().unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 name: split[1].parse().unwrap(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 extra: Some(split[2].parse().unwrap()),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 id: split[0].parse().unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 name: split[1].parse().unwrap(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Malachite` (bin "mlc") due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `ConfigRepositoriesExpanded` is never constructed
[INFO] [stdout]   --> src/internal/structs.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct ConfigRepositoriesExpanded {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 id: split[0].parse().unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 name: split[1].parse().unwrap(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 extra: Some(split[2].parse().unwrap()),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 id: split[0].parse().unwrap(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/internal/read.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 name: split[1].parse().unwrap(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `Malachite` (bin "mlc" test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a8cdf88ac93782628a4e262e9b1d70650e1e2b7c2342a0397c1bfc9a8bf6e98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cdf88ac93782628a4e262e9b1d70650e1e2b7c2342a0397c1bfc9a8bf6e98a", kill_on_drop: false }`
[INFO] [stdout] a8cdf88ac93782628a4e262e9b1d70650e1e2b7c2342a0397c1bfc9a8bf6e98a
