[INFO] fetching crate trickster 0.0.6...
[INFO] checking trickster-0.0.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate trickster 0.0.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate trickster 0.0.6
[INFO] finished tweaking crates.io crate trickster 0.0.6
[INFO] tweaked toml for crates.io crate trickster 0.0.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trickster 0.0.6 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
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.17.0 (available: v0.30.1)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2855a15e709a349caa3a63fe097ddfca4bcd60f8b5f9fe7071d1ce0ee41579e
[INFO] running `Command { std: "docker" "start" "-a" "a2855a15e709a349caa3a63fe097ddfca4bcd60f8b5f9fe7071d1ce0ee41579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2855a15e709a349caa3a63fe097ddfca4bcd60f8b5f9fe7071d1ce0ee41579e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2855a15e709a349caa3a63fe097ddfca4bcd60f8b5f9fe7071d1ce0ee41579e", kill_on_drop: false }`
[INFO] [stdout] a2855a15e709a349caa3a63fe097ddfca4bcd60f8b5f9fe7071d1ce0ee41579e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e953b393f717947d23fc2a118433c403faeb362bbf92670a66ea9a0ed2aaf27
[INFO] running `Command { std: "docker" "start" "-a" "9e953b393f717947d23fc2a118433c403faeb362bbf92670a66ea9a0ed2aaf27", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking scan_fmt v0.2.6
[INFO] [stderr]     Checking trickster v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/external/process.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let (start, end, permissions_string, offset, dev_major, dev_minor, inode, path) = scan_fmt_some!(
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 285 | |         line.as_str(),
[INFO] [stdout] 286 | |         "{x}-{x} {} {x} {}:{} {} {}",
[INFO] [stdout] 287 | |         [hex usize], [hex usize], String, [hex usize], u8, u8, usize, String
[INFO] [stdout] 288 | |       );
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt_some` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/external/process.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let (start, end, permissions_string, offset, dev_major, dev_minor, inode, path) = scan_fmt_some!(
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 285 | |         line.as_str(),
[INFO] [stdout] 286 | |         "{x}-{x} {} {x} {}:{} {} {}",
[INFO] [stdout] 287 | |         [hex usize], [hex usize], String, [hex usize], u8, u8, usize, String
[INFO] [stdout] 288 | |       );
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt_some` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/external/process.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let (start, end, permissions_string, offset, dev_major, dev_minor, inode, path) = scan_fmt_some!(
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 285 | |         line.as_str(),
[INFO] [stdout] 286 | |         "{x}-{x} {} {x} {}:{} {} {}",
[INFO] [stdout] 287 | |         [hex usize], [hex usize], String, [hex usize], u8, u8, usize, String
[INFO] [stdout] 288 | |       );
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt_some` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/external/process.rs:284:89
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let (start, end, permissions_string, offset, dev_major, dev_minor, inode, path) = scan_fmt_some!(
[INFO] [stdout]     |  _________________________________________________________________________________________^
[INFO] [stdout] 285 | |         line.as_str(),
[INFO] [stdout] 286 | |         "{x}-{x} {} {x} {}:{} {} {}",
[INFO] [stdout] 287 | |         [hex usize], [hex usize], String, [hex usize], u8, u8, usize, String
[INFO] [stdout] 288 | |       );
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::scan_fmt_help` which comes from the expansion of the macro `scan_fmt_some` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trickster` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `trickster` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9e953b393f717947d23fc2a118433c403faeb362bbf92670a66ea9a0ed2aaf27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e953b393f717947d23fc2a118433c403faeb362bbf92670a66ea9a0ed2aaf27", kill_on_drop: false }`
[INFO] [stdout] 9e953b393f717947d23fc2a118433c403faeb362bbf92670a66ea9a0ed2aaf27