[INFO] fetching crate bsor 0.3.0...
[INFO] checking bsor-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bsor 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bsor 0.3.0
[INFO] finished tweaking crates.io crate bsor 0.3.0
[INFO] tweaked toml for crates.io crate bsor 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bsor 0.3.0 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 crates.io crate bsor 0.3.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7beb605401fb7c02a269a96625da1bddd95de5d59295d110efa979321a5b6d49
[INFO] running `Command { std: "docker" "start" "-a" "7beb605401fb7c02a269a96625da1bddd95de5d59295d110efa979321a5b6d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7beb605401fb7c02a269a96625da1bddd95de5d59295d110efa979321a5b6d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7beb605401fb7c02a269a96625da1bddd95de5d59295d110efa979321a5b6d49", kill_on_drop: false }`
[INFO] [stdout] 7beb605401fb7c02a269a96625da1bddd95de5d59295d110efa979321a5b6d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1205dd5803d0a5be2723aa1fe1901b877e6bc606f25f5214189929606387aa82
[INFO] running `Command { std: "docker" "start" "-a" "1205dd5803d0a5be2723aa1fe1901b877e6bc606f25f5214189929606387aa82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bsor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]   --> src/replay/error.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let err = BsorError::try_from(io_err);
[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: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]   --> src/replay/error.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |         assert!(matches!(err, Ok(BsorError::Io(_))));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]   --> src/replay/error.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |         assert!(err.unwrap().source().unwrap().is::<io::Error>());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]   --> src/replay/error.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let err = BsorError::try_from(val.expect_err("conversion error"));
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]   --> src/replay/error.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         assert!(matches!(err, Ok(BsorError::Decoding(_))));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]   --> src/replay/error.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |         assert!(err.unwrap().source().unwrap().is::<ParseIntError>());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::str::from_utf8` with an invalid literal always return an error
[INFO] [stdout]    --> src/replay/error.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let val = std::str::from_utf8(&[0xffu8, 0xff]);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        the literal was valid UTF-8 up to the 0 bytes
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_from_utf8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]    --> src/replay/error.rs:103:19
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let err = BsorError::try_from(val.expect_err("conversion error"));
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]    --> src/replay/error.rs:104:26
[INFO] [stdout]     |
[INFO] [stdout] 104 |         assert!(matches!(err, Ok(BsorError::Decoding(_))));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]    --> src/replay/error.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |         assert!(err.unwrap().source().unwrap().is::<Utf8Error>());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]    --> src/replay/error.rs:113:19
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let err = BsorError::try_from(val.expect_err("conversion error"));
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]    --> src/replay/error.rs:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |         assert!(matches!(err, Ok(BsorError::Decoding(_))));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<replay::error::BsorError, Infallible>
[INFO] [stdout]    --> src/replay/error.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |         assert!(err.unwrap().source().unwrap().is::<TryFromSliceError>());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bsor` (lib test) due to 12 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1205dd5803d0a5be2723aa1fe1901b877e6bc606f25f5214189929606387aa82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1205dd5803d0a5be2723aa1fe1901b877e6bc606f25f5214189929606387aa82", kill_on_drop: false }`
[INFO] [stdout] 1205dd5803d0a5be2723aa1fe1901b877e6bc606f25f5214189929606387aa82
