[INFO] cloning repository https://github.com/memoryleak47/defunct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/memoryleak47/defunct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fdefunct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmemoryleak47%2Fdefunct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c44cb8fcb44ae4b83cf482422dbbee528783fe6
[INFO] checking memoryleak47/defunct 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%2Fmemoryleak47%2Fdefunct" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/memoryleak47/defunct
[INFO] finished tweaking git repo https://github.com/memoryleak47/defunct
[INFO] tweaked toml for git repo https://github.com/memoryleak47/defunct written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/memoryleak47/defunct 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/memoryleak47/defunct 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-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] 6a5e3ff22fbadf056ce02385718b74c4ccf1b0bcf04f04c6a4958ec5cab6bbd2
[INFO] running `Command { std: "docker" "start" "-a" "6a5e3ff22fbadf056ce02385718b74c4ccf1b0bcf04f04c6a4958ec5cab6bbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5e3ff22fbadf056ce02385718b74c4ccf1b0bcf04f04c6a4958ec5cab6bbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5e3ff22fbadf056ce02385718b74c4ccf1b0bcf04f04c6a4958ec5cab6bbd2", kill_on_drop: false }`
[INFO] [stdout] 6a5e3ff22fbadf056ce02385718b74c4ccf1b0bcf04f04c6a4958ec5cab6bbd2
[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] 4ff76f2bc9a3590ef50a7c84d553640261ce36a6d36666c0a393e5b450c11a0c
[INFO] running `Command { std: "docker" "start" "-a" "4ff76f2bc9a3590ef50a7c84d553640261ce36a6d36666c0a393e5b450c11a0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking symbol_table v0.4.0
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking symbolic_expressions v5.0.3
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking saturating v0.1.0
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking raw-cpuid v11.5.0
[INFO] [stderr]     Checking quanta v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking egg v0.10.0
[INFO] [stderr]     Checking defunct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / define_language! {
[INFO] [stdout] 14 | |     enum Lambda {
[INFO] [stdout] 15 | |         "app" = App([Id; 2]),
[INFO] [stdout] 16 | |         "lam" = Lam([Id; 2]),
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[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 `$crate::__define_language` which comes from the expansion of the macro `define_language` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / define_language! {
[INFO] [stdout] 14 | |     enum Lambda {
[INFO] [stdout] 15 | |         "app" = App([Id; 2]),
[INFO] [stdout] 16 | |         "lam" = Lam([Id; 2]),
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__define_language` which comes from the expansion of the macro `define_language` (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<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / define_language! {
[INFO] [stdout] 22 | |     enum Defunct {
[INFO] [stdout] 23 | |         // in the future, one can break the "functnames" / functs down into separate ones.
[INFO] [stdout] 24 | |         "funct" = Funct(Box<[Id]>), // a FunctName and a bunch of args.
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__define_language` which comes from the expansion of the macro `define_language` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / define_language! {
[INFO] [stdout] 22 | |     enum Defunct {
[INFO] [stdout] 23 | |         // in the future, one can break the "functnames" / functs down into separate ones.
[INFO] [stdout] 24 | |         "funct" = Funct(Box<[Id]>), // a FunctName and a bunch of args.
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__define_language` which comes from the expansion of the macro `define_language` (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<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / define_language! {
[INFO] [stdout] 14 | |     enum Lambda {
[INFO] [stdout] 15 | |         "app" = App([Id; 2]),
[INFO] [stdout] 16 | |         "lam" = Lam([Id; 2]),
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[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 `$crate::__define_language` which comes from the expansion of the macro `define_language` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / define_language! {
[INFO] [stdout] 14 | |     enum Lambda {
[INFO] [stdout] 15 | |         "app" = App([Id; 2]),
[INFO] [stdout] 16 | |         "lam" = Lam([Id; 2]),
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__define_language` which comes from the expansion of the macro `define_language` (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<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / define_language! {
[INFO] [stdout] 22 | |     enum Defunct {
[INFO] [stdout] 23 | |         // in the future, one can break the "functnames" / functs down into separate ones.
[INFO] [stdout] 24 | |         "funct" = Funct(Box<[Id]>), // a FunctName and a bunch of args.
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__define_language` which comes from the expansion of the macro `define_language` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<egg::Symbol, Infallible>
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / define_language! {
[INFO] [stdout] 22 | |     enum Defunct {
[INFO] [stdout] 23 | |         // in the future, one can break the "functnames" / functs down into separate ones.
[INFO] [stdout] 24 | |         "funct" = Funct(Box<[Id]>), // a FunctName and a bunch of args.
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::__define_language` which comes from the expansion of the macro `define_language` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `defunct` (bin "defunct") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `defunct` (bin "defunct" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4ff76f2bc9a3590ef50a7c84d553640261ce36a6d36666c0a393e5b450c11a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff76f2bc9a3590ef50a7c84d553640261ce36a6d36666c0a393e5b450c11a0c", kill_on_drop: false }`
[INFO] [stdout] 4ff76f2bc9a3590ef50a7c84d553640261ce36a6d36666c0a393e5b450c11a0c