[INFO] fetching crate maelstrom-core 0.1.1...
[INFO] checking maelstrom-core-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate maelstrom-core 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate maelstrom-core 0.1.1
[INFO] finished tweaking crates.io crate maelstrom-core 0.1.1
[INFO] tweaked toml for crates.io crate maelstrom-core 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maelstrom-core 0.1.1 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 crates.io crate maelstrom-core 0.1.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0bc6e7f1ef0f7afc3a69bb7680d6bdac088af581b8051d0850175e7e787bec6b
[INFO] running `Command { std: "docker" "start" "-a" "0bc6e7f1ef0f7afc3a69bb7680d6bdac088af581b8051d0850175e7e787bec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc6e7f1ef0f7afc3a69bb7680d6bdac088af581b8051d0850175e7e787bec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc6e7f1ef0f7afc3a69bb7680d6bdac088af581b8051d0850175e7e787bec6b", kill_on_drop: false }`
[INFO] [stdout] 0bc6e7f1ef0f7afc3a69bb7680d6bdac088af581b8051d0850175e7e787bec6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] feae9cea0b86a6fa81ed3bf0e55e435164242355522c63bce1b04b5dc8a4c766
[INFO] running `Command { std: "docker" "start" "-a" "feae9cea0b86a6fa81ed3bf0e55e435164242355522c63bce1b04b5dc8a4c766", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling lzma-sys v0.1.19
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.56+curl-7.83.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking simba v0.6.0
[INFO] [stderr]    Compiling hts-sys v2.0.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking itertools v0.10.4
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking bio-types v0.13.0
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking petgraph v0.6.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]    Compiling enum-utils-from-str v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iana-time-zone v0.1.48
[INFO] [stderr]     Checking triple_accel v0.4.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking indicatif v0.17.1
[INFO] [stderr]     Checking clap-verbosity-flag v1.0.1
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]    Compiling enum-utils v0.1.2
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]     Checking file_diff v1.0.0
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bv v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking statrs v0.16.0
[INFO] [stderr]     Checking bio v0.42.0
[INFO] [stderr]     Checking rust-htslib v0.39.5
[INFO] [stderr]     Checking maelstrom-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd_bam_collect_doc.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     path_reference: Option<String>,
[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/cmd_bam_collect_doc.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     path_input: String,
[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/cmd_bam_collect_doc.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     path_output: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maelstrom-core` (bin "maelstrom-core") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd_bam_collect_doc.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     path_reference: Option<String>,
[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/cmd_bam_collect_doc.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     path_input: String,
[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/cmd_bam_collect_doc.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     path_output: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maelstrom-core` (bin "maelstrom-core" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "feae9cea0b86a6fa81ed3bf0e55e435164242355522c63bce1b04b5dc8a4c766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feae9cea0b86a6fa81ed3bf0e55e435164242355522c63bce1b04b5dc8a4c766", kill_on_drop: false }`
[INFO] [stdout] feae9cea0b86a6fa81ed3bf0e55e435164242355522c63bce1b04b5dc8a4c766
