[INFO] cloning repository https://github.com/MarkusZoppelt/portfolio_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarkusZoppelt/portfolio_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusZoppelt%2Fportfolio_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarkusZoppelt%2Fportfolio_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 577e410e4eedf13e3d2fd00e479a759a592719ec
[INFO] checking MarkusZoppelt/portfolio_rs 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%2FMarkusZoppelt%2Fportfolio_rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MarkusZoppelt/portfolio_rs
[INFO] finished tweaking git repo https://github.com/MarkusZoppelt/portfolio_rs
[INFO] tweaked toml for git repo https://github.com/MarkusZoppelt/portfolio_rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MarkusZoppelt/portfolio_rs 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/MarkusZoppelt/portfolio_rs 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6b7374ec655b0aaa180687bfaf771cfc7d9b9a77e67cab37d9d996a7a97144c7
[INFO] running `Command { std: "docker" "start" "-a" "6b7374ec655b0aaa180687bfaf771cfc7d9b9a77e67cab37d9d996a7a97144c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b7374ec655b0aaa180687bfaf771cfc7d9b9a77e67cab37d9d996a7a97144c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7374ec655b0aaa180687bfaf771cfc7d9b9a77e67cab37d9d996a7a97144c7", kill_on_drop: false }`
[INFO] [stdout] 6b7374ec655b0aaa180687bfaf771cfc7d9b9a77e67cab37d9d996a7a97144c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 26ab02f68b945a759fba15d47ad039d0d836f128f562a97c6b2827d54560b579
[INFO] running `Command { std: "docker" "start" "-a" "26ab02f68b945a759fba15d47ad039d0d836f128f562a97c6b2827d54560b579", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
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[INFO] [stderr]     Checking portfolio_rs v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<portfolio::Portfolio, Infallible>
[INFO] [stdout]    --> src/main.rs:570:48
[INFO] [stdout]     |
[INFO] [stdout] 570 |         let x: Result<Portfolio, ParseError> = Ok(portfolio);
[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<portfolio::Portfolio, Infallible>
[INFO] [stdout]    --> src/main.rs:571:17
[INFO] [stdout]     |
[INFO] [stdout] 571 |         assert!(x.is_ok());
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `portfolio_rs` (bin "portfolio_rs" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "26ab02f68b945a759fba15d47ad039d0d836f128f562a97c6b2827d54560b579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ab02f68b945a759fba15d47ad039d0d836f128f562a97c6b2827d54560b579", kill_on_drop: false }`
[INFO] [stdout] 26ab02f68b945a759fba15d47ad039d0d836f128f562a97c6b2827d54560b579