[INFO] cloning repository https://github.com/EMattfolk/GGJ2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EMattfolk/GGJ2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEMattfolk%2FGGJ2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEMattfolk%2FGGJ2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d7af68c94ebef17ee650b1c52b3f8b3da6c0503
[INFO] checking EMattfolk/GGJ2022 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%2FEMattfolk%2FGGJ2022" "/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/EMattfolk/GGJ2022
[INFO] finished tweaking git repo https://github.com/EMattfolk/GGJ2022
[INFO] tweaked toml for git repo https://github.com/EMattfolk/GGJ2022 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EMattfolk/GGJ2022 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/EMattfolk/GGJ2022 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] 2ed29df9d22dc357a7d2f85484d711f261ae5d79c6a7d33960ffc30b142809ad
[INFO] running `Command { std: "docker" "start" "-a" "2ed29df9d22dc357a7d2f85484d711f261ae5d79c6a7d33960ffc30b142809ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed29df9d22dc357a7d2f85484d711f261ae5d79c6a7d33960ffc30b142809ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed29df9d22dc357a7d2f85484d711f261ae5d79c6a7d33960ffc30b142809ad", kill_on_drop: false }`
[INFO] [stdout] 2ed29df9d22dc357a7d2f85484d711f261ae5d79c6a7d33960ffc30b142809ad
[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] 165af42a8873951b494dcddcd9e4b9465c4c7267d88c8a80068e03e5a3bcb7f1
[INFO] running `Command { std: "docker" "start" "-a" "165af42a8873951b494dcddcd9e4b9465c4c7267d88c8a80068e03e5a3bcb7f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling sylt v0.2.0 (/opt/rustwide/workdir/sylt)
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking sungod v0.3.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking sylt-macro v0.2.0 (/opt/rustwide/workdir/sylt-macro)
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking sylt-tokenizer v0.2.0 (/opt/rustwide/workdir/sylt-tokenizer)
[INFO] [stderr]     Checking sylt-common v0.2.0 (/opt/rustwide/workdir/sylt-common)
[INFO] [stderr]     Checking sylt-parser v0.2.0 (/opt/rustwide/workdir/sylt-parser)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:856:5
[INFO] [stdout]     |
[INFO] [stdout] 856 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 856 -     drop(enum_name);
[INFO] [stdout] 856 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> sylt-parser/src/statement.rs:680:49
[INFO] [stdout]     |
[INFO] [stdout] 680 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<Statement> {
[INFO] [stdout]     |                                         --      ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 680 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<'t, Statement> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sylt-compiler v0.2.0 (/opt/rustwide/workdir/sylt-compiler)
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]    --> sylt-compiler/src/intermediate.rs:773:12
[INFO] [stdout]     |
[INFO] [stdout] 773 | #[cfg_attr(timed, sylt_macro::timed("intermediate::compile"))]
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]    --> sylt-compiler/src/lua.rs:301:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | #[cfg_attr(timed, sylt_macro::timed("lua::generate"))]
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]     --> sylt-compiler/src/typechecker.rs:2337:12
[INFO] [stdout]      |
[INFO] [stdout] 2337 | #[cfg_attr(timed, sylt_macro::timed("typechecker::solve"))]
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]   --> sylt-compiler/src/compiler.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[cfg_attr(timed, sylt_macro::timed("compile"))]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]    --> sylt-compiler/src/intermediate.rs:773:12
[INFO] [stdout]     |
[INFO] [stdout] 773 | #[cfg_attr(timed, sylt_macro::timed("intermediate::compile"))]
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]    --> sylt-compiler/src/lua.rs:301:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | #[cfg_attr(timed, sylt_macro::timed("lua::generate"))]
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]     --> sylt-compiler/src/typechecker.rs:2337:12
[INFO] [stdout]      |
[INFO] [stdout] 2337 | #[cfg_attr(timed, sylt_macro::timed("typechecker::solve"))]
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `timed`
[INFO] [stdout]   --> sylt-compiler/src/compiler.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[cfg_attr(timed, sylt_macro::timed("compile"))]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(timed)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(timed)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> sylt-parser/src/parser.rs:856:5
[INFO] [stdout]     |
[INFO] [stdout] 856 |     drop(enum_name);
[INFO] [stdout]     |     ^^^^^---------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&Identifier`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 856 -     drop(enum_name);
[INFO] [stdout] 856 +     let _ = enum_name;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> sylt-parser/src/statement.rs:680:49
[INFO] [stdout]     |
[INFO] [stdout] 680 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<Statement> {
[INFO] [stdout]     |                                         --      ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'t`
[INFO] [stdout]     |
[INFO] [stdout] 680 | pub fn outer_statement<'t>(ctx: Context<'t>) -> ParseResult<'t, Statement> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> sylt/src/lib.rs:89:26
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[derive(Default, Debug, Options)]
[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 derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sylt` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> sylt/src/lib.rs:89:26
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[derive(Default, Debug, Options)]
[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 derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sylt` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "165af42a8873951b494dcddcd9e4b9465c4c7267d88c8a80068e03e5a3bcb7f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165af42a8873951b494dcddcd9e4b9465c4c7267d88c8a80068e03e5a3bcb7f1", kill_on_drop: false }`
[INFO] [stdout] 165af42a8873951b494dcddcd9e4b9465c4c7267d88c8a80068e03e5a3bcb7f1
