[INFO] cloning repository https://github.com/macroexpansion/mini-lsm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/macroexpansion/mini-lsm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacroexpansion%2Fmini-lsm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacroexpansion%2Fmini-lsm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40b403f1b9bd06e24f85c13a841ef8b8038bbfed
[INFO] checking macroexpansion/mini-lsm against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmacroexpansion%2Fmini-lsm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/macroexpansion/mini-lsm on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/macroexpansion/mini-lsm
[INFO] finished tweaking git repo https://github.com/macroexpansion/mini-lsm
[INFO] tweaked toml for git repo https://github.com/macroexpansion/mini-lsm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/macroexpansion/mini-lsm 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.2
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded os_pipe v1.1.2
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded arc-swap v1.5.1
[INFO] [stderr]   Downloaded raw-cpuid v10.6.0
[INFO] [stderr]   Downloaded quanta v0.10.1
[INFO] [stderr]   Downloaded uuid v1.2.2
[INFO] [stderr]   Downloaded moka v0.9.6
[INFO] [stderr]   Downloaded crossbeam-skiplist v0.1.0
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded ouroboros v0.18.2
[INFO] [stderr]   Downloaded farmhash v1.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed7aef097afae99d0ccc2dbdf1418d526a4cdd3aabb8abdc7e6d00bea370e9dc
[INFO] running `Command { std: "docker" "start" "-a" "ed7aef097afae99d0ccc2dbdf1418d526a4cdd3aabb8abdc7e6d00bea370e9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7aef097afae99d0ccc2dbdf1418d526a4cdd3aabb8abdc7e6d00bea370e9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7aef097afae99d0ccc2dbdf1418d526a4cdd3aabb8abdc7e6d00bea370e9dc", kill_on_drop: false }`
[INFO] [stdout] ed7aef097afae99d0ccc2dbdf1418d526a4cdd3aabb8abdc7e6d00bea370e9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f06f76c14bebb13d0e05bec5d4733b7952146700619b265ef3b59f6d9212c6e
[INFO] running `Command { std: "docker" "start" "-a" "8f06f76c14bebb13d0e05bec5d4733b7952146700619b265ef3b59f6d9212c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking anstream v0.6.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking clap_builder v4.4.17
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking memoffset v0.7.1
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling yansi v1.0.0-rc.1
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking raw-cpuid v10.6.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking nibble_vec v0.1.0
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[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling moka v0.9.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
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[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking radix_trie v0.2.1
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[INFO] [stderr]     Checking quanta v0.10.1
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking os_pipe v1.1.2
[INFO] [stderr]     Checking console v0.15.2
[INFO] [stderr]     Checking duct v0.13.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling ouroboros_macro v0.18.2
[INFO] [stderr]     Checking ouroboros v0.18.2
[INFO] [stderr]     Checking clap v4.4.17
[INFO] [stderr]     Checking mini-lsm-xtask v0.2.0 (/opt/rustwide/workdir/xtask)
[INFO] [stderr]     Checking mini-lsm-starter v0.2.0 (/opt/rustwide/workdir/mini-lsm-starter)
[INFO] [stderr]     Checking mini-lsm-mvcc v0.2.0 (/opt/rustwide/workdir/mini-lsm-mvcc)
[INFO] [stderr]     Checking mini-lsm v0.2.0 (/opt/rustwide/workdir/mini-lsm)
[INFO] [stdout] warning: field `mvcc` is never read
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) struct LsmStorageInner {
[INFO] [stdout]     |                   --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub(crate) mvcc: Option<LsmMvccInner>,
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mvcc` is never read
[INFO] [stdout]    --> mini-lsm-starter/src/lsm_storage.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub(crate) struct LsmStorageInner {
[INFO] [stdout]     |                   --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub(crate) mvcc: Option<LsmMvccInner>,
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.26s
[INFO] running `Command { std: "docker" "inspect" "8f06f76c14bebb13d0e05bec5d4733b7952146700619b265ef3b59f6d9212c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f06f76c14bebb13d0e05bec5d4733b7952146700619b265ef3b59f6d9212c6e", kill_on_drop: false }`
[INFO] [stdout] 8f06f76c14bebb13d0e05bec5d4733b7952146700619b265ef3b59f6d9212c6e