[INFO] fetching crate argust 0.0.3...
[INFO] checking argust-0.0.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate argust 0.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate argust 0.0.3
[INFO] finished tweaking crates.io crate argust 0.0.3
[INFO] tweaked toml for crates.io crate argust 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate argust 0.0.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] a315ab2312081d35ad9d633d6928d4e00c9efba43991d66b7e720a6e4aa9bd00
[INFO] running `Command { std: "docker" "start" "-a" "a315ab2312081d35ad9d633d6928d4e00c9efba43991d66b7e720a6e4aa9bd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a315ab2312081d35ad9d633d6928d4e00c9efba43991d66b7e720a6e4aa9bd00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a315ab2312081d35ad9d633d6928d4e00c9efba43991d66b7e720a6e4aa9bd00", kill_on_drop: false }`
[INFO] [stdout] a315ab2312081d35ad9d633d6928d4e00c9efba43991d66b7e720a6e4aa9bd00
[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] 7c43b4921dd8fc1905561f38b1d679566b48d1afd17fe33e7257c4a1b6d5f85b
[INFO] running `Command { std: "docker" "start" "-a" "7c43b4921dd8fc1905561f38b1d679566b48d1afd17fe33e7257c4a1b6d5f85b", kill_on_drop: false }`
[INFO] [stderr]     Checking argust v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/parser.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             FromStr::from_str(a.0).expect("Failed to convert to 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<String, Infallible>
[INFO] [stdout]   --> src/parser.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Some(FromStr::from_str(a.1).expect("Failed to convert to string")),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&OsString` instead of cloning the inner type
[INFO] [stdout]    --> src/parser.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         self.clone()
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `argust` (lib) due to 2 previous errors; 1 warning emitted
[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/parser.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             FromStr::from_str(a.0).expect("Failed to convert to 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<String, Infallible>
[INFO] [stdout]   --> src/parser.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Some(FromStr::from_str(a.1).expect("Failed to convert to string")),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&OsString` instead of cloning the inner type
[INFO] [stdout]    --> src/parser.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         self.clone()
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `argust` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7c43b4921dd8fc1905561f38b1d679566b48d1afd17fe33e7257c4a1b6d5f85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c43b4921dd8fc1905561f38b1d679566b48d1afd17fe33e7257c4a1b6d5f85b", kill_on_drop: false }`
[INFO] [stdout] 7c43b4921dd8fc1905561f38b1d679566b48d1afd17fe33e7257c4a1b6d5f85b
