[INFO] cloning repository https://github.com/anish-sinha1/symmetric-concurrent-v3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anish-sinha1/symmetric-concurrent-v3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-sinha1%2Fsymmetric-concurrent-v3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-sinha1%2Fsymmetric-concurrent-v3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a345bc6ed960730c43e274c01dde098665fea645
[INFO] checking anish-sinha1/symmetric-concurrent-v3 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanish-sinha1%2Fsymmetric-concurrent-v3" "/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/anish-sinha1/symmetric-concurrent-v3
[INFO] finished tweaking git repo https://github.com/anish-sinha1/symmetric-concurrent-v3
[INFO] tweaked toml for git repo https://github.com/anish-sinha1/symmetric-concurrent-v3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/anish-sinha1/symmetric-concurrent-v3 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/anish-sinha1/symmetric-concurrent-v3 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa9d376ee9da5cb13d6d900ed9a8f750cfc2090c4bad58a87ae73eca945ff459
[INFO] running `Command { std: "docker" "start" "-a" "fa9d376ee9da5cb13d6d900ed9a8f750cfc2090c4bad58a87ae73eca945ff459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa9d376ee9da5cb13d6d900ed9a8f750cfc2090c4bad58a87ae73eca945ff459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9d376ee9da5cb13d6d900ed9a8f750cfc2090c4bad58a87ae73eca945ff459", kill_on_drop: false }`
[INFO] [stdout] fa9d376ee9da5cb13d6d900ed9a8f750cfc2090c4bad58a87ae73eca945ff459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b430b573a1c0c74802ba6ac87120b420d4ebdb43b30555d30d087c861e27d5
[INFO] running `Command { std: "docker" "start" "-a" "f0b430b573a1c0c74802ba6ac87120b420d4ebdb43b30555d30d087c861e27d5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.43
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[INFO] [stderr]    Compiling syn v1.0.100
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[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling serde v1.0.144
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[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]    Compiling lock_api v0.4.9
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[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]    Compiling darling_core v0.14.1
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[INFO] [stderr]    Compiling darling_macro v0.14.1
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[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking serde_with v2.0.1
[INFO] [stderr]     Checking symmetric-concurrent-v3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/storage/bufmgr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let page = Page::new(page_id, &page_buf);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]   --> src/storage/bufmgr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let page = Page::new(page_id, &page_buf);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_page`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/storage/diskmgr.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         drop(self);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&DiskMgrInternal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 38 -         drop(self);
[INFO] [stdout] 38 +         let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/storage/diskmgr.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         drop(self);
[INFO] [stdout]    |         ^^^^^----^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&diskmgr::DiskMgrInternal`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 38 -         drop(self);
[INFO] [stdout] 38 +         let _ = self;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.07s
[INFO] running `Command { std: "docker" "inspect" "f0b430b573a1c0c74802ba6ac87120b420d4ebdb43b30555d30d087c861e27d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b430b573a1c0c74802ba6ac87120b420d4ebdb43b30555d30d087c861e27d5", kill_on_drop: false }`
[INFO] [stdout] f0b430b573a1c0c74802ba6ac87120b420d4ebdb43b30555d30d087c861e27d5
