[INFO] cloning repository https://github.com/mohammed-ashrf/Rusty_Journal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mohammed-ashrf/Rusty_Journal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohammed-ashrf%2FRusty_Journal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmohammed-ashrf%2FRusty_Journal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3de0de8d33c49c5b128f6fd571f8922e26cea516
[INFO] checking mohammed-ashrf/Rusty_Journal 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%2Fmohammed-ashrf%2FRusty_Journal" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mohammed-ashrf/Rusty_Journal
[INFO] finished tweaking git repo https://github.com/mohammed-ashrf/Rusty_Journal
[INFO] tweaked toml for git repo https://github.com/mohammed-ashrf/Rusty_Journal written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mohammed-ashrf/Rusty_Journal 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/mohammed-ashrf/Rusty_Journal 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fc42549c46db35ab1d3918df4b6a2f20dd25ffa54dc30f145cab0015da5bddc0
[INFO] running `Command { std: "docker" "start" "-a" "fc42549c46db35ab1d3918df4b6a2f20dd25ffa54dc30f145cab0015da5bddc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc42549c46db35ab1d3918df4b6a2f20dd25ffa54dc30f145cab0015da5bddc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc42549c46db35ab1d3918df4b6a2f20dd25ffa54dc30f145cab0015da5bddc0", kill_on_drop: false }`
[INFO] [stdout] fc42549c46db35ab1d3918df4b6a2f20dd25ffa54dc30f145cab0015da5bddc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4eccfc6edb286bba790115f9606c0b8c3c40a479e425aeb1696723a9f8ee578b
[INFO] running `Command { std: "docker" "start" "-a" "4eccfc6edb286bba790115f9606c0b8c3c40a479e425aeb1696723a9f8ee578b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling serde_json v1.0.112
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking rusty-journal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | /         /// The task description text.
[INFO] [stdout]  9 | |         #[structopt()]
[INFO] [stdout] 10 | |         task: 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/cli.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  8 | /         /// The task description text.
[INFO] [stdout]  9 | |         #[structopt()]
[INFO] [stdout] 10 | |         task: 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 `rusty-journal` (bin "rusty-journal") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty-journal` (bin "rusty-journal" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4eccfc6edb286bba790115f9606c0b8c3c40a479e425aeb1696723a9f8ee578b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eccfc6edb286bba790115f9606c0b8c3c40a479e425aeb1696723a9f8ee578b", kill_on_drop: false }`
[INFO] [stdout] 4eccfc6edb286bba790115f9606c0b8c3c40a479e425aeb1696723a9f8ee578b