[INFO] fetching crate bplustree 0.1.0...
[INFO] checking bplustree-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bplustree 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bplustree 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bplustree 0.1.0
[INFO] finished tweaking crates.io crate bplustree 0.1.0
[INFO] tweaked toml for crates.io crate bplustree 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serial_test v0.5.1
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c2d0a908669ec7f2ba35ce715337ccb621e6940a07fe8afa4021c08be102f5d
[INFO] running `Command { std: "docker" "start" "-a" "7c2d0a908669ec7f2ba35ce715337ccb621e6940a07fe8afa4021c08be102f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c2d0a908669ec7f2ba35ce715337ccb621e6940a07fe8afa4021c08be102f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2d0a908669ec7f2ba35ce715337ccb621e6940a07fe8afa4021c08be102f5d", kill_on_drop: false }`
[INFO] [stdout] 7c2d0a908669ec7f2ba35ce715337ccb621e6940a07fe8afa4021c08be102f5d
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3e3c9ce6766873edd2326c37f6c7c241d433c0f4ec380d9fabbb3e18469f79
[INFO] running `Command { std: "docker" "start" "-a" "6a3e3c9ce6766873edd2326c37f6c7c241d433c0f4ec380d9fabbb3e18469f79", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bplustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/iter.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(error::Error)
[INFO] [stdout]    |     --- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(())
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stdout] error[E0583]: file not found for module `bench`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub mod bench;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `bench`, create file "src/bench.rs" or "src/bench/mod.rs"
[INFO] [stdout]    = note: if there is a `mod bench` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bplustree` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6a3e3c9ce6766873edd2326c37f6c7c241d433c0f4ec380d9fabbb3e18469f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3e3c9ce6766873edd2326c37f6c7c241d433c0f4ec380d9fabbb3e18469f79", kill_on_drop: false }`
[INFO] [stdout] 6a3e3c9ce6766873edd2326c37f6c7c241d433c0f4ec380d9fabbb3e18469f79
[INFO] checking bplustree-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bplustree 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bplustree 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bplustree 0.1.0
[INFO] finished tweaking crates.io crate bplustree 0.1.0
[INFO] tweaked toml for crates.io crate bplustree 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e35b708206dd12dab6fb23d3d536f307df20955f9eff5c399ddae9022caff5e4
[INFO] running `Command { std: "docker" "start" "-a" "e35b708206dd12dab6fb23d3d536f307df20955f9eff5c399ddae9022caff5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e35b708206dd12dab6fb23d3d536f307df20955f9eff5c399ddae9022caff5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35b708206dd12dab6fb23d3d536f307df20955f9eff5c399ddae9022caff5e4", kill_on_drop: false }`
[INFO] [stdout] e35b708206dd12dab6fb23d3d536f307df20955f9eff5c399ddae9022caff5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d986de9a8c779dd3e96da2ebfb12ea7855dc7d48f5c3b9bb6fb2b5a03b08a2c
[INFO] running `Command { std: "docker" "start" "-a" "7d986de9a8c779dd3e96da2ebfb12ea7855dc7d48f5c3b9bb6fb2b5a03b08a2c", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bplustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/iter.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(error::Error)
[INFO] [stdout]    |     --- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(())
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stdout] error[E0583]: file not found for module `bench`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub mod bench;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `bench`, create file "src/bench.rs" or "src/bench/mod.rs"
[INFO] [stdout]    = note: if there is a `mod bench` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bplustree` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d986de9a8c779dd3e96da2ebfb12ea7855dc7d48f5c3b9bb6fb2b5a03b08a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d986de9a8c779dd3e96da2ebfb12ea7855dc7d48f5c3b9bb6fb2b5a03b08a2c", kill_on_drop: false }`
[INFO] [stdout] 7d986de9a8c779dd3e96da2ebfb12ea7855dc7d48f5c3b9bb6fb2b5a03b08a2c
