[INFO] cloning repository https://github.com/senrust/toy_compiler2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/senrust/toy_compiler2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenrust%2Ftoy_compiler2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenrust%2Ftoy_compiler2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3325a5d71a27e4498c21573ba00c038e2c470d5e
[INFO] checking senrust/toy_compiler2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsenrust%2Ftoy_compiler2" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/senrust/toy_compiler2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/senrust/toy_compiler2
[INFO] finished tweaking git repo https://github.com/senrust/toy_compiler2
[INFO] tweaked toml for git repo https://github.com/senrust/toy_compiler2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/senrust/toy_compiler2 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5388196e7d56189885280c41993b9dd790e5dd7d588f1db5055ecddf43d4fd27
[INFO] running `Command { std: "docker" "start" "-a" "5388196e7d56189885280c41993b9dd790e5dd7d588f1db5055ecddf43d4fd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5388196e7d56189885280c41993b9dd790e5dd7d588f1db5055ecddf43d4fd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5388196e7d56189885280c41993b9dd790e5dd7d588f1db5055ecddf43d4fd27", kill_on_drop: false }`
[INFO] [stdout] 5388196e7d56189885280c41993b9dd790e5dd7d588f1db5055ecddf43d4fd27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b257a2b19aad021d82ee72978b4a1c9415c45a3c600766d506f43933a402cf
[INFO] running `Command { std: "docker" "start" "-a" "67b257a2b19aad021d82ee72978b4a1c9415c45a3c600766d506f43933a402cf", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/token/parser.rs:364:22
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = &mut SOURCE_TXT;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = addr_of_mut!(SOURCE_TXT);
[INFO] [stdout]     |                      ~~~~~~~~~~~~~          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/token/parser.rs:364:22
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = &mut SOURCE_TXT;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = addr_of_mut!(SOURCE_TXT);
[INFO] [stdout]     |                      ~~~~~~~~~~~~~          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg != *rhs_arg.deref() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg.deref() != *rhs_arg {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg != *rhs_arg.deref() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg.deref() != *rhs_arg {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/token/parser.rs:364:22
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = &mut SOURCE_TXT;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = addr_of_mut!(SOURCE_TXT);
[INFO] [stdout]     |                      ~~~~~~~~~~~~~          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]    --> src/token/parser.rs:364:22
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = &mut SOURCE_TXT;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 364 |         source_txt = addr_of_mut!(SOURCE_TXT);
[INFO] [stdout]     |                      ~~~~~~~~~~~~~          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg != *rhs_arg.deref() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg.deref() != *rhs_arg {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg != *rhs_arg.deref() {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/definition/functions.rs:27:49
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `types::Type` does not implement `Deref`, so calling `deref` on `&types::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 27 -                 if *self_arg.deref() != *rhs_arg.deref() {
[INFO] [stdout] 27 +                 if *self_arg.deref() != *rhs_arg {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `types::Type`, implement `Clone` for it
[INFO] [stdout]   --> src/definition/types.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 + #[derive(Clone)]
[INFO] [stdout] 29 | pub struct Type {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "67b257a2b19aad021d82ee72978b4a1c9415c45a3c600766d506f43933a402cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b257a2b19aad021d82ee72978b4a1c9415c45a3c600766d506f43933a402cf", kill_on_drop: false }`
[INFO] [stdout] 67b257a2b19aad021d82ee72978b4a1c9415c45a3c600766d506f43933a402cf