[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 [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 [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 [INFO] [stdout] --> src/replay/error.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | assert!(err.unwrap().source().unwrap().is::()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [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 [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 [INFO] [stdout] --> src/replay/error.rs:96:17 [INFO] [stdout] | [INFO] [stdout] 96 | assert!(err.unwrap().source().unwrap().is::()); [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 [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 [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 [INFO] [stdout] --> src/replay/error.rs:105:17 [INFO] [stdout] | [INFO] [stdout] 105 | assert!(err.unwrap().source().unwrap().is::()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [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 [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 [INFO] [stdout] --> src/replay/error.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | assert!(err.unwrap().source().unwrap().is::()); [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