[INFO] fetching crate grmr 0.2.0...
[INFO] checking grmr-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate grmr 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate grmr 0.2.0
[INFO] finished tweaking crates.io crate grmr 0.2.0
[INFO] tweaked toml for crates.io crate grmr 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grmr 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.47)
[INFO] [stderr]       Adding colored v1.9.4 (available: v3.0.0)
[INFO] [stderr]       Adding glob v0.2.11 (available: v0.3.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc8c14d93fd0fe83abc7253fc902741d38dfe7f35ec17cc1e6ccfa48edbf8ed
[INFO] running `Command { std: "docker" "start" "-a" "bdc8c14d93fd0fe83abc7253fc902741d38dfe7f35ec17cc1e6ccfa48edbf8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc8c14d93fd0fe83abc7253fc902741d38dfe7f35ec17cc1e6ccfa48edbf8ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc8c14d93fd0fe83abc7253fc902741d38dfe7f35ec17cc1e6ccfa48edbf8ed", kill_on_drop: false }`
[INFO] [stdout] bdc8c14d93fd0fe83abc7253fc902741d38dfe7f35ec17cc1e6ccfa48edbf8ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47355f42e345c0e47ace2aa3a7a0f0e994138bb4854fa143437363c98eef7245
[INFO] running `Command { std: "docker" "start" "-a" "47355f42e345c0e47ace2aa3a7a0f0e994138bb4854fa143437363c98eef7245", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking grmr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<dyn Checker>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<Checker>>,
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     checkers: HashMap<CheckerType, Box<dyn Checker>>,
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<dyn error::Error>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:42
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<error::Error>> {
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> std::result::Result<(), Box<dyn error::Error>> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:70:52
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<dyn Checker>> = HashMap::new();
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/checkers/checker.rs:70:52
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<Checker>> = HashMap::new();
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut checkers: HashMap<CheckerType, Box<dyn Checker>> = HashMap::new();
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut file = File::open(path_cleaned)?;
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "47355f42e345c0e47ace2aa3a7a0f0e994138bb4854fa143437363c98eef7245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47355f42e345c0e47ace2aa3a7a0f0e994138bb4854fa143437363c98eef7245", kill_on_drop: false }`
[INFO] [stdout] 47355f42e345c0e47ace2aa3a7a0f0e994138bb4854fa143437363c98eef7245