[INFO] cloning repository https://github.com/haraldreingruber-dedalus/rustlings-advanced [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haraldreingruber-dedalus/rustlings-advanced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldreingruber-dedalus%2Frustlings-advanced", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldreingruber-dedalus%2Frustlings-advanced'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40658812ba8a5f2ea194edbd1ab952e7ac11b84c [INFO] checking haraldreingruber-dedalus/rustlings-advanced against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharaldreingruber-dedalus%2Frustlings-advanced" "/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/haraldreingruber-dedalus/rustlings-advanced [INFO] finished tweaking git repo https://github.com/haraldreingruber-dedalus/rustlings-advanced [INFO] tweaked toml for git repo https://github.com/haraldreingruber-dedalus/rustlings-advanced written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/haraldreingruber-dedalus/rustlings-advanced on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/haraldreingruber-dedalus/rustlings-advanced 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 366f44e43af94d04dee254648bbf6d9c55e2cc7af98fc01a74b5a19fa706895e [INFO] running `Command { std: "docker" "start" "-a" "366f44e43af94d04dee254648bbf6d9c55e2cc7af98fc01a74b5a19fa706895e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "366f44e43af94d04dee254648bbf6d9c55e2cc7af98fc01a74b5a19fa706895e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "366f44e43af94d04dee254648bbf6d9c55e2cc7af98fc01a74b5a19fa706895e", kill_on_drop: false }` [INFO] [stdout] 366f44e43af94d04dee254648bbf6d9c55e2cc7af98fc01a74b5a19fa706895e [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c20bec18688b70828ebcdd0dd8f0d205443811ca09cca66883aef43277a9352 [INFO] running `Command { std: "docker" "start" "-a" "1c20bec18688b70828ebcdd0dd8f0d205443811ca09cca66883aef43277a9352", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking argh v0.1.5 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking rustlings v5.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/exercise.rs:109:20 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn compile(&self) -> Result { [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] 109 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.68s [INFO] running `Command { std: "docker" "inspect" "1c20bec18688b70828ebcdd0dd8f0d205443811ca09cca66883aef43277a9352", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c20bec18688b70828ebcdd0dd8f0d205443811ca09cca66883aef43277a9352", kill_on_drop: false }` [INFO] [stdout] 1c20bec18688b70828ebcdd0dd8f0d205443811ca09cca66883aef43277a9352