[INFO] cloning repository https://github.com/Measter/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Measter/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8f8a88ea94b7db2c184164fefde3e7fefcb6e62
[INFO] checking Measter/rlox against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2Frlox" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Measter/rlox
[INFO] finished tweaking git repo https://github.com/Measter/rlox
[INFO] tweaked toml for git repo https://github.com/Measter/rlox written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Measter/rlox 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 git repo https://github.com/Measter/rlox 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.12.1
[INFO] [stderr]       Adding atty v0.2.14
[INFO] [stderr]       Adding bitflags v1.3.2
[INFO] [stderr]       Adding clap v2.34.0
[INFO] [stderr]       Adding equivalent v1.0.2
[INFO] [stderr]       Adding hashbrown v0.16.0
[INFO] [stderr]       Adding heck v0.3.3
[INFO] [stderr]       Adding hermit-abi v0.1.19
[INFO] [stderr]       Adding indexmap v2.12.0
[INFO] [stderr]     Updating memchr v2.4.1 -> v2.7.6
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.5)
[INFO] [stderr]       Adding num_enum_derive v0.5.11
[INFO] [stderr]     Updating once_cell v1.8.0 -> v1.21.3
[INFO] [stderr]       Adding proc-macro-crate v1.3.1
[INFO] [stderr]       Adding proc-macro-error v1.0.4
[INFO] [stderr]       Adding proc-macro-error-attr v1.0.4
[INFO] [stderr]       Adding same-file v1.0.6
[INFO] [stderr]       Adding strsim v0.8.0
[INFO] [stderr]       Adding structopt v0.3.26
[INFO] [stderr]       Adding structopt-derive v0.4.18
[INFO] [stderr]       Adding textwrap v0.11.0
[INFO] [stderr]       Adding toml_datetime v0.6.11
[INFO] [stderr]       Adding toml_edit v0.19.15
[INFO] [stderr]       Adding unicode-segmentation v1.12.0
[INFO] [stderr]       Adding vec_map v0.8.2
[INFO] [stderr]       Adding walkdir v2.5.0
[INFO] [stderr]       Adding winnow v0.5.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b7aaa92835f8fdd5bc1f46812ed76963a0b99f5f4356348122c6a5a97336b974
[INFO] running `Command { std: "docker" "start" "-a" "b7aaa92835f8fdd5bc1f46812ed76963a0b99f5f4356348122c6a5a97336b974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7aaa92835f8fdd5bc1f46812ed76963a0b99f5f4356348122c6a5a97336b974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7aaa92835f8fdd5bc1f46812ed76963a0b99f5f4356348122c6a5a97336b974", kill_on_drop: false }`
[INFO] [stdout] b7aaa92835f8fdd5bc1f46812ed76963a0b99f5f4356348122c6a5a97336b974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c6559d690503309de2968306319ee1948e20575294901a959e35d430a9168db1
[INFO] running `Command { std: "docker" "start" "-a" "c6559d690503309de2968306319ee1948e20575294901a959e35d430a9168db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking lasso v0.6.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir/crates/rlox)
[INFO] [stderr]     Checking tester v0.1.0 (/opt/rustwide/workdir/crates/tester)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> crates/tester/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// Path to the Lox implementation to execute.
[INFO] [stdout] 10 | |     implementation: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> crates/tester/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// Path to the directory containing the tests.
[INFO] [stdout] 13 | |     tests_root: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> crates/tester/src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Path to where the stdout and stderr outputs are stored.
[INFO] [stdout] 16 | |     output_root: PathBuf,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tester` (bin "tester") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> crates/tester/src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | /     /// Path to the Lox implementation to execute.
[INFO] [stdout] 10 | |     implementation: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> crates/tester/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     /// Path to the directory containing the tests.
[INFO] [stdout] 13 | |     tests_root: PathBuf,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> crates/tester/src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Path to where the stdout and stderr outputs are stored.
[INFO] [stdout] 16 | |     output_root: PathBuf,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tester` (bin "tester" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c6559d690503309de2968306319ee1948e20575294901a959e35d430a9168db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6559d690503309de2968306319ee1948e20575294901a959e35d430a9168db1", kill_on_drop: false }`
[INFO] [stdout] c6559d690503309de2968306319ee1948e20575294901a959e35d430a9168db1