[INFO] fetching crate bionic_reading_api 0.1.1...
[INFO] checking bionic_reading_api-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bionic_reading_api 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate bionic_reading_api 0.1.1
[INFO] finished tweaking crates.io crate bionic_reading_api 0.1.1
[INFO] tweaked toml for crates.io crate bionic_reading_api 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bionic_reading_api 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] 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] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 200 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
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[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] 576da5f3c018e48db7df8a3143c3b95f591d658f64823cf3adc7ecad8ee23dce
[INFO] running `Command { std: "docker" "start" "-a" "576da5f3c018e48db7df8a3143c3b95f591d658f64823cf3adc7ecad8ee23dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "576da5f3c018e48db7df8a3143c3b95f591d658f64823cf3adc7ecad8ee23dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576da5f3c018e48db7df8a3143c3b95f591d658f64823cf3adc7ecad8ee23dce", kill_on_drop: false }`
[INFO] [stdout] 576da5f3c018e48db7df8a3143c3b95f591d658f64823cf3adc7ecad8ee23dce
[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] 62aff329aa1ee100766d8369abb9f39cbaabc8f620c9fa020f7a1f4f5c8aec02
[INFO] running `Command { std: "docker" "start" "-a" "62aff329aa1ee100766d8369abb9f39cbaabc8f620c9fa020f7a1f4f5c8aec02", kill_on_drop: false }`
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[INFO] [stdout] error: this type will no longer be must used: Result<Secret, Infallible>
[INFO] [stdout]   --> src/client.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |             api_key: Secret::from_str(&api_key.into()).expect("Client::new()"),
[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<Secret, Infallible>
[INFO] [stdout]   --> src/secret.rs:19:53
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 20 | |         Ok(Self(s.to_string()))
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Secret, Infallible>
[INFO] [stdout]   --> src/secret.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(Self(s.to_string()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<secret::Secret, Infallible>
[INFO] [stdout]   --> src/client.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |             api_key: Secret::from_str(&api_key.into()).expect("Client::new()"),
[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<secret::Secret, Infallible>
[INFO] [stdout]   --> src/secret.rs:19:53
[INFO] [stdout]    |
[INFO] [stdout] 19 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 20 | |         Ok(Self(s.to_string()))
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<secret::Secret, Infallible>
[INFO] [stdout]   --> src/secret.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(Self(s.to_string()))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<secret::Secret, Infallible>
[INFO] [stdout]   --> src/secret.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let secret = Secret::from_str(SECRET_STRING).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<secret::Secret, Infallible>
[INFO] [stdout]   --> src/secret.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let secret = Secret::from_str(SECRET_STRING).unwrap();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bionic_reading_api` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bionic_reading_api` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "62aff329aa1ee100766d8369abb9f39cbaabc8f620c9fa020f7a1f4f5c8aec02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62aff329aa1ee100766d8369abb9f39cbaabc8f620c9fa020f7a1f4f5c8aec02", kill_on_drop: false }`
[INFO] [stdout] 62aff329aa1ee100766d8369abb9f39cbaabc8f620c9fa020f7a1f4f5c8aec02