[INFO] cloning repository https://github.com/cicvedu/rust-arceos-hedon954
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cicvedu/rust-arceos-hedon954" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-hedon954", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-hedon954'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a349c46dfdb386aa5ae6cd82fc2a88062dc7caf5
[INFO] checking cicvedu/rust-arceos-hedon954 against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcicvedu%2Frust-arceos-hedon954" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cicvedu/rust-arceos-hedon954
[INFO] finished tweaking git repo https://github.com/cicvedu/rust-arceos-hedon954
[INFO] tweaked toml for git repo https://github.com/cicvedu/rust-arceos-hedon954 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cicvedu/rust-arceos-hedon954 on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cicvedu/rust-arceos-hedon954 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.12
[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded argh v0.1.12
[INFO] [stderr]   Downloaded argh_derive v0.1.12
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f17cd3fb79f6ab4d46ce3fbc97ede522468c34f2bf351025e368fbf6a8b22b2
[INFO] running `Command { std: "docker" "start" "-a" "4f17cd3fb79f6ab4d46ce3fbc97ede522468c34f2bf351025e368fbf6a8b22b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f17cd3fb79f6ab4d46ce3fbc97ede522468c34f2bf351025e368fbf6a8b22b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f17cd3fb79f6ab4d46ce3fbc97ede522468c34f2bf351025e368fbf6a8b22b2", kill_on_drop: false }`
[INFO] [stdout] 4f17cd3fb79f6ab4d46ce3fbc97ede522468c34f2bf351025e368fbf6a8b22b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 508c26bde85510ca31659f3398640a60684da454759ecc4e9fc4c7797caa8533
[INFO] running `Command { std: "docker" "start" "-a" "508c26bde85510ca31659f3398640a60684da454759ecc4e9fc4c7797caa8533", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking aho-corasick v1.0.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking arceos v5.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exercise.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] 121 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exercise.rs:216:32
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub async fn async_compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub async fn async_compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exercise.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] 121 |     pub fn compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/exercise.rs:216:32
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub async fn async_compile(&self) -> Result<CompiledExercise, ExerciseOutput> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub async fn async_compile(&self) -> Result<CompiledExercise<'_>, ExerciseOutput> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.13s
[INFO] running `Command { std: "docker" "inspect" "508c26bde85510ca31659f3398640a60684da454759ecc4e9fc4c7797caa8533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508c26bde85510ca31659f3398640a60684da454759ecc4e9fc4c7797caa8533", kill_on_drop: false }`
[INFO] [stdout] 508c26bde85510ca31659f3398640a60684da454759ecc4e9fc4c7797caa8533
