[INFO] cloning repository https://github.com/kellspell/Rust-CawSay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kellspell/Rust-CawSay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellspell%2FRust-CawSay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkellspell%2FRust-CawSay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efceecf3c33aa5a24d1324ed892cd6477506c30b
[INFO] checking kellspell/Rust-CawSay 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%2Fkellspell%2FRust-CawSay" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  50% (649/1286)
Updating files:  51% (656/1286)
Updating files:  52% (669/1286)
Updating files:  53% (682/1286)
Updating files:  54% (695/1286)
Updating files:  55% (708/1286)
Updating files:  56% (721/1286)
Updating files:  57% (734/1286)
Updating files:  58% (746/1286)
Updating files:  59% (759/1286)
Updating files:  60% (772/1286)
Updating files:  60% (777/1286)
Updating files:  61% (785/1286)
Updating files:  62% (798/1286)
Updating files:  63% (811/1286)
Updating files:  64% (824/1286)
Updating files:  65% (836/1286)
Updating files:  66% (849/1286)
Updating files:  67% (862/1286)
Updating files:  68% (875/1286)
Updating files:  69% (888/1286)
Updating files:  70% (901/1286)
Updating files:  71% (914/1286)
Updating files:  72% (926/1286)
Updating files:  73% (939/1286)
Updating files:  74% (952/1286)
Updating files:  75% (965/1286)
Updating files:  76% (978/1286)
Updating files:  77% (991/1286)
Updating files:  78% (1004/1286)
Updating files:  79% (1016/1286)
Updating files:  80% (1029/1286)
Updating files:  81% (1042/1286)
Updating files:  82% (1055/1286)
Updating files:  83% (1068/1286)
Updating files:  84% (1081/1286)
Updating files:  85% (1094/1286)
Updating files:  86% (1106/1286)
Updating files:  87% (1119/1286)
Updating files:  88% (1132/1286)
Updating files:  89% (1145/1286)
Updating files:  90% (1158/1286)
Updating files:  91% (1171/1286)
Updating files:  92% (1184/1286)
Updating files:  93% (1196/1286)
Updating files:  94% (1209/1286)
Updating files:  95% (1222/1286)
Updating files:  96% (1235/1286)
Updating files:  97% (1248/1286)
Updating files:  98% (1261/1286)
Updating files:  99% (1274/1286)
Updating files: 100% (1286/1286)
Updating files: 100% (1286/1286), done.
[INFO] started tweaking git repo https://github.com/kellspell/Rust-CawSay
[INFO] finished tweaking git repo https://github.com/kellspell/Rust-CawSay
[INFO] tweaked toml for git repo https://github.com/kellspell/Rust-CawSay written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kellspell/Rust-CawSay 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/kellspell/Rust-CawSay 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] 6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d
[INFO] running `Command { std: "docker" "start" "-a" "6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d", kill_on_drop: false }`
[INFO] [stdout] 6eaa93c1217afd8e5bfd6cf06b191daa075030bd18a38cd00c0334e67c018a5d
[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] f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea
[INFO] running `Command { std: "docker" "start" "-a" "f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking cawsay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     message: 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] [stderr] error: could not compile `cawsay` (bin "cawsay") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     message: 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] [stderr] error: could not compile `cawsay` (bin "cawsay" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea", kill_on_drop: false }`
[INFO] [stdout] f54089d10b1199b3402eadb52618e5f012e65e255304292629b0c5b953ab07ea
