[INFO] cloning repository https://github.com/iambriccardo/ruft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iambriccardo/ruft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiambriccardo%2Fruft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiambriccardo%2Fruft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84b01bbdc78cd3a4a831712f50e8ff9af7413882
[INFO] checking iambriccardo/ruft against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiambriccardo%2Fruft" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iambriccardo/ruft on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iambriccardo/ruft
[INFO] finished tweaking git repo https://github.com/iambriccardo/ruft
[INFO] tweaked toml for git repo https://github.com/iambriccardo/ruft written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iambriccardo/ruft 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5dab79af600afb338ebe56ded42c77a7399d3d5a971ea751e163ba8021c323
[INFO] running `Command { std: "docker" "start" "-a" "2f5dab79af600afb338ebe56ded42c77a7399d3d5a971ea751e163ba8021c323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5dab79af600afb338ebe56ded42c77a7399d3d5a971ea751e163ba8021c323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5dab79af600afb338ebe56ded42c77a7399d3d5a971ea751e163ba8021c323", kill_on_drop: false }`
[INFO] [stdout] 2f5dab79af600afb338ebe56ded42c77a7399d3d5a971ea751e163ba8021c323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ef5cfbc8fe493d216ac34fadfdda6d160ccbcf92021355847346bf6eafcd63
[INFO] running `Command { std: "docker" "start" "-a" "e1ef5cfbc8fe493d216ac34fadfdda6d160ccbcf92021355847346bf6eafcd63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.9
[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 ruft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `APPEND_ENTRIES` should have an upper camel case name
[INFO] [stdout]    --> src/core.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     APPEND_ENTRIES { decrement: usize },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AppendEntries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `APPEND_ENTRIES` should have an upper camel case name
[INFO] [stdout]    --> src/core.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     APPEND_ENTRIES { decrement: usize },
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `AppendEntries`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REQUEST_VOTE` should have an upper camel case name
[INFO] [stdout]    --> src/core.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     REQUEST_VOTE,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RequestVote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_CANDIDATE` should have an upper camel case name
[INFO] [stdout]   --> src/timer.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SWITCH_TO_CANDIDATE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToCandidate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SEND_APPEND_ENTRIES` should have an upper camel case name
[INFO] [stdout]   --> src/timer.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SEND_APPEND_ENTRIES,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SendAppendEntries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REQUEST_VOTE` should have an upper camel case name
[INFO] [stdout]    --> src/core.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     REQUEST_VOTE,
[INFO] [stdout]     |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `RequestVote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SWITCH_TO_CANDIDATE` should have an upper camel case name
[INFO] [stdout]   --> src/timer.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     SWITCH_TO_CANDIDATE,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SwitchToCandidate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SEND_APPEND_ENTRIES` should have an upper camel case name
[INFO] [stdout]   --> src/timer.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SEND_APPEND_ENTRIES,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `SendAppendEntries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/timer.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             timer.join();
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = timer.join();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/timer.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             timer.join();
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = timer.join();
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "e1ef5cfbc8fe493d216ac34fadfdda6d160ccbcf92021355847346bf6eafcd63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ef5cfbc8fe493d216ac34fadfdda6d160ccbcf92021355847346bf6eafcd63", kill_on_drop: false }`
[INFO] [stdout] e1ef5cfbc8fe493d216ac34fadfdda6d160ccbcf92021355847346bf6eafcd63