[INFO] cloning repository https://github.com/MichaelGorP/lisprust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MichaelGorP/lisprust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGorP%2Flisprust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelGorP%2Flisprust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b84c043f8815222c58df717291e659ba0801af3
[INFO] checking MichaelGorP/lisprust 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%2FMichaelGorP%2Flisprust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MichaelGorP/lisprust
[INFO] finished tweaking git repo https://github.com/MichaelGorP/lisprust
[INFO] tweaked toml for git repo https://github.com/MichaelGorP/lisprust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MichaelGorP/lisprust 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/MichaelGorP/lisprust 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 68ea15629bbe5ae7f9fc279e8ea75e416f3a47e4b33339c265297d7df4650f36
[INFO] running `Command { std: "docker" "start" "-a" "68ea15629bbe5ae7f9fc279e8ea75e416f3a47e4b33339c265297d7df4650f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68ea15629bbe5ae7f9fc279e8ea75e416f3a47e4b33339c265297d7df4650f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68ea15629bbe5ae7f9fc279e8ea75e416f3a47e4b33339c265297d7df4650f36", kill_on_drop: false }`
[INFO] [stdout] 68ea15629bbe5ae7f9fc279e8ea75e416f3a47e4b33339c265297d7df4650f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b9faaba1baf71f53ba11cbaf4dabafa209ee4f4b3caaafdc38af081ee28ad39c
[INFO] running `Command { std: "docker" "start" "-a" "b9faaba1baf71f53ba11cbaf4dabafa209ee4f4b3caaafdc38af081ee28ad39c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking case_insensitive_hashmap v1.0.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.35
[INFO] [stderr]     Checking mimalloc v0.1.39
[INFO] [stderr]    Compiling enum-display-macro v0.1.3
[INFO] [stderr]    Compiling logos-codegen v0.13.0
[INFO] [stderr]     Checking enum-display v0.1.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling logos-derive v0.13.0
[INFO] [stderr]     Checking logos v0.13.0
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `FunctionHeader` is more private than the item `FunctionData::header`
[INFO] [stdout]    --> src/vm/vp.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub header: FunctionHeader,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ field `FunctionData::header` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `FunctionHeader` is only usable at visibility `pub(in crate::vm)`
[INFO] [stdout]    --> src/vm/vp.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub(super) struct FunctionHeader {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/parser.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct ParseError {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 63 |     error: String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_string` is never used
[INFO] [stdout]    --> src/vm/compiler.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout]  48 | impl BytecodeBuilder {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn store_string(&mut self, val: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lexer.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Logos, Debug, PartialEq)]
[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 `Logos` (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/lexer.rs:50:48
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[regex("[^ \\t\\r\\n\\f\"\\(\\)]+", |lex| lex.slice().parse())]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lexer.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[regex("\"*\"", |lex| lex.slice().parse())]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm/vp.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn values(&self) -> Ref<Vec<Value>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn values(&self) -> Ref<'_, Vec<Value>> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisp` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: type `FunctionHeader` is more private than the item `FunctionData::header`
[INFO] [stdout]    --> src/vm/vp.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub header: FunctionHeader,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ field `FunctionData::header` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `FunctionHeader` is only usable at visibility `pub(in crate::vm)`
[INFO] [stdout]    --> src/vm/vp.rs:103:1
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub(super) struct FunctionHeader {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `error` is never read
[INFO] [stdout]   --> src/parser.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct ParseError {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 63 |     error: String
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_string` is never used
[INFO] [stdout]    --> src/vm/compiler.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout]  48 | impl BytecodeBuilder {
[INFO] [stdout]     | -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn store_string(&mut self, val: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lexer.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[derive(Logos, Debug, PartialEq)]
[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 `Logos` (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/lexer.rs:50:48
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[regex("[^ \\t\\r\\n\\f\"\\(\\)]+", |lex| lex.slice().parse())]
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lexer.rs:48:28
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[regex("\"*\"", |lex| lex.slice().parse())]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm/vp.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn values(&self) -> Ref<Vec<Value>> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn values(&self) -> Ref<'_, Vec<Value>> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisp` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b9faaba1baf71f53ba11cbaf4dabafa209ee4f4b3caaafdc38af081ee28ad39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9faaba1baf71f53ba11cbaf4dabafa209ee4f4b3caaafdc38af081ee28ad39c", kill_on_drop: false }`
[INFO] [stdout] b9faaba1baf71f53ba11cbaf4dabafa209ee4f4b3caaafdc38af081ee28ad39c