[INFO] cloning repository https://github.com/cheolwanpark/tiny-kvs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cheolwanpark/tiny-kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheolwanpark%2Ftiny-kvs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheolwanpark%2Ftiny-kvs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 019fb934211ebb77e8d99057d65fb19bef1a06bf [INFO] checking cheolwanpark/tiny-kvs against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcheolwanpark%2Ftiny-kvs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cheolwanpark/tiny-kvs [INFO] finished tweaking git repo https://github.com/cheolwanpark/tiny-kvs [INFO] tweaked toml for git repo https://github.com/cheolwanpark/tiny-kvs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cheolwanpark/tiny-kvs on toolchain cced03bfd61a304243a34504618ecec86c17063f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cheolwanpark/tiny-kvs 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror v1.0.55 [INFO] [stderr] Downloaded serde_bytes v0.11.12 [INFO] [stderr] Downloaded thiserror-impl v1.0.55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7 [INFO] running `Command { std: "docker" "start" "6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling thiserror v1.0.55 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde_bytes v0.11.12 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Compiling thiserror-impl v1.0.55 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking db v0.1.0 (/opt/rustwide/workdir/db) [INFO] [stdout] warning: struct `CleanupFileGuard` is never constructed [INFO] [stdout] --> db/src/pagemanager/inmemory.rs:176:12 [INFO] [stdout] | [INFO] [stdout] 176 | struct CleanupFileGuard<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/mod.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | fn data(&self) -> Ref>; [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] 38 | fn data(&self) -> Ref<'_, Vec>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/diskbased.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | fn data(&self) -> Ref> { [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] 34 | fn data(&self) -> Ref<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/inmemory.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | fn data(&self) -> Ref> { [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] 35 | fn data(&self) -> Ref<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/pageaccessor.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | fn data(&self) -> Ref> { [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] 23 | fn data(&self) -> Ref<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/mod.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | fn data(&self) -> Ref>; [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] 38 | fn data(&self) -> Ref<'_, Vec>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/diskbased.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | fn data(&self) -> Ref> { [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] 34 | fn data(&self) -> Ref<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/inmemory.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | fn data(&self) -> Ref> { [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] 35 | fn data(&self) -> Ref<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tiny-kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> db/src/pagemanager/pageaccessor.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | fn data(&self) -> Ref> { [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] 23 | fn data(&self) -> Ref<'_, Vec> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s [INFO] running `Command { std: "docker" "inspect" "6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7", kill_on_drop: false }` [INFO] [stdout] 6f5ad68e8f90ddd5b8274268cce0f0056477f4bf6088e92596da716733aa69e7