[INFO] fetching crate r9ir 1.0.0...
[INFO] checking r9ir-1.0.0 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] extracting crate r9ir 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate r9ir 1.0.0
[INFO] finished tweaking crates.io crate r9ir 1.0.0
[INFO] tweaked toml for crates.io crate r9ir 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r9ir 1.0.0 on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a7825f027fdc11e74f282db7ae8691a2292037fb28cf9c0f5f3d899fa7a83e7
[INFO] running `Command { std: "docker" "start" "-a" "7a7825f027fdc11e74f282db7ae8691a2292037fb28cf9c0f5f3d899fa7a83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7825f027fdc11e74f282db7ae8691a2292037fb28cf9c0f5f3d899fa7a83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7825f027fdc11e74f282db7ae8691a2292037fb28cf9c0f5f3d899fa7a83e7", kill_on_drop: false }`
[INFO] [stdout] 7a7825f027fdc11e74f282db7ae8691a2292037fb28cf9c0f5f3d899fa7a83e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 981b9cf88cf4398e9fe9c63a7182f02f56bc165fa7047d8848bc8e8f09331b5c
[INFO] running `Command { std: "docker" "start" "-a" "981b9cf88cf4398e9fe9c63a7182f02f56bc165fa7047d8848bc8e8f09331b5c", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking r9ir v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/token.rs:288:32
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn open_file(f: String) -> Box<Read> {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn open_file(f: String) -> Box<dyn Read> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/token.rs:288:32
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn open_file(f: String) -> Box<Read> {
[INFO] [stdout]     |                                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 288 | fn open_file(f: String) -> Box<dyn Read> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1272:17
[INFO] [stdout]      |
[INFO] [stdout] 1272 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::FOR, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1301:17
[INFO] [stdout]      |
[INFO] [stdout] 1301 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::FOR, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1315:17
[INFO] [stdout]      |
[INFO] [stdout] 1315 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::DO_WHILE, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1331:17
[INFO] [stdout]      |
[INFO] [stdout] 1331 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::SWITCH, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sema.rs:422:13
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let mut body = node.borrow_mut().body.clone().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1272:17
[INFO] [stdout]      |
[INFO] [stdout] 1272 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::FOR, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1301:17
[INFO] [stdout]      |
[INFO] [stdout] 1301 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::FOR, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1315:17
[INFO] [stdout]      |
[INFO] [stdout] 1315 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::DO_WHILE, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/parse.rs:1331:17
[INFO] [stdout]      |
[INFO] [stdout] 1331 |             let mut node = Rc::new(RefCell::new(new_node(NodeType::SWITCH, Some(Box::new(t.clone())))));
[INFO] [stdout]      |                 ----^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sema.rs:422:13
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let mut body = node.borrow_mut().body.clone().unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/liveness.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut ent = bbs[0].clone();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/liveness.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut ent = bbs[0].clone();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/token.rs:303:20
[INFO] [stdout]     |
[INFO] [stdout] 303 |             panic!(e);
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 303 |             panic!("{}", e);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 303 -             panic!(e);
[INFO] [stdout] 303 +             std::panic::panic_any(e);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/token.rs:318:20
[INFO] [stdout]     |
[INFO] [stdout] 318 |             panic!(e);
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 318 |             panic!("{}", e);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 318 -             panic!(e);
[INFO] [stdout] 318 +             std::panic::panic_any(e);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/token.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 |     panic!(msg);
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 425 |     panic!("{}", msg);
[INFO] [stdout]     |            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/token.rs:303:20
[INFO] [stdout]     |
[INFO] [stdout] 303 |             panic!(e);
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 303 |             panic!("{}", e);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 303 -             panic!(e);
[INFO] [stdout] 303 +             std::panic::panic_any(e);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/token.rs:318:20
[INFO] [stdout]     |
[INFO] [stdout] 318 |             panic!(e);
[INFO] [stdout]     |                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 318 |             panic!("{}", e);
[INFO] [stdout]     |                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 318 -             panic!(e);
[INFO] [stdout] 318 +             std::panic::panic_any(e);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/token.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout] 425 |     panic!(msg);
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 425 |     panic!("{}", msg);
[INFO] [stdout]     |            +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "981b9cf88cf4398e9fe9c63a7182f02f56bc165fa7047d8848bc8e8f09331b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981b9cf88cf4398e9fe9c63a7182f02f56bc165fa7047d8848bc8e8f09331b5c", kill_on_drop: false }`
[INFO] [stdout] 981b9cf88cf4398e9fe9c63a7182f02f56bc165fa7047d8848bc8e8f09331b5c
