[INFO] fetching crate ransel 0.2.1...
[INFO] checking ransel-0.2.1 against 1.95.0 for pr-155915
[INFO] extracting crate ransel 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ransel 0.2.1
[INFO] finished tweaking crates.io crate ransel 0.2.1
[INFO] tweaked toml for crates.io crate ransel 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ransel 0.2.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitintr v0.3.0
[INFO] [stderr]   Downloaded random v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c5f697fc5597188da17361fecac35666776d296e7b0adb7fd7588a977424596
[INFO] running `Command { std: "docker" "start" "-a" "3c5f697fc5597188da17361fecac35666776d296e7b0adb7fd7588a977424596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c5f697fc5597188da17361fecac35666776d296e7b0adb7fd7588a977424596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5f697fc5597188da17361fecac35666776d296e7b0adb7fd7588a977424596", kill_on_drop: false }`
[INFO] [stdout] 3c5f697fc5597188da17361fecac35666776d296e7b0adb7fd7588a977424596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3360eaf5d867c24484323f2c2c67bfeec6e948124a01292362c69f62f12196cd
[INFO] running `Command { std: "docker" "start" "-a" "3360eaf5d867c24484323f2c2c67bfeec6e948124a01292362c69f62f12196cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]     Checking random v0.14.1
[INFO] [stderr]     Checking ransel v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Persistent` is never used
[INFO] [stdout]  --> src/persist.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait Persistent {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `save_vec` is never used
[INFO] [stdout]   --> src/persist.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn save_vec<Sink, T>(sink: &mut Sink, xs: &[T]) -> std::io::Result<()>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_u64` is never used
[INFO] [stdout]   --> src/persist.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn load_u64<Source>(source: &mut Source) -> std::io::Result<u64>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_usize` is never used
[INFO] [stdout]   --> src/persist.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn load_usize<Source>(source: &mut Source) -> std::io::Result<usize>
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_vec_u8` is never used
[INFO] [stdout]   --> src/persist.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn load_vec_u8<Source>(source: &mut Source) -> std::io::Result<Vec<u8>>
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_vec_u16` is never used
[INFO] [stdout]   --> src/persist.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn load_vec_u16<Source>(source: &mut Source) -> std::io::Result<Vec<u16>>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_vec_u32` is never used
[INFO] [stdout]   --> src/persist.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn load_vec_u32<Source>(source: &mut Source) -> std::io::Result<Vec<u32>>
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_vec_u64` is never used
[INFO] [stdout]    --> src/persist.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn load_vec_u64<Source>(source: &mut Source) -> std::io::Result<Vec<u64>>
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `load_vec_usize` is never used
[INFO] [stdout]    --> src/persist.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn load_vec_usize<Source>(source: &mut Source) -> std::io::Result<Vec<usize>>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "3360eaf5d867c24484323f2c2c67bfeec6e948124a01292362c69f62f12196cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3360eaf5d867c24484323f2c2c67bfeec6e948124a01292362c69f62f12196cd", kill_on_drop: false }`
[INFO] [stdout] 3360eaf5d867c24484323f2c2c67bfeec6e948124a01292362c69f62f12196cd
