[INFO] fetching crate jarl 0.1.4...
[INFO] checking jarl-0.1.4 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate jarl 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate jarl 0.1.4
[INFO] finished tweaking crates.io crate jarl 0.1.4
[INFO] tweaked toml for crates.io crate jarl 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jarl 0.1.4 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b109af7019be7deba395c85e9192b5770105cff7ad6463ed31bce6749f3c8d9e
[INFO] running `Command { std: "docker" "start" "-a" "b109af7019be7deba395c85e9192b5770105cff7ad6463ed31bce6749f3c8d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b109af7019be7deba395c85e9192b5770105cff7ad6463ed31bce6749f3c8d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b109af7019be7deba395c85e9192b5770105cff7ad6463ed31bce6749f3c8d9e", kill_on_drop: false }`
[INFO] [stdout] b109af7019be7deba395c85e9192b5770105cff7ad6463ed31bce6749f3c8d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3efdc042fc3b93bf6acc791241c59f553901159e31708c64b93e8a4b957839
[INFO] running `Command { std: "docker" "start" "-a" "4b3efdc042fc3b93bf6acc791241c59f553901159e31708c64b93e8a4b957839", kill_on_drop: false }`
[INFO] [stderr]     Checking jarl v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `append_msg`
[INFO] [stdout]   --> src/lib.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             append_msg: &mut crate::msg::AppendEntries<'e, VALUE>,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Leader` is never constructed
[INFO] [stdout]   --> src/lib.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct Leader<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>(
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Candidate` is never constructed
[INFO] [stdout]   --> src/lib.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub struct Candidate<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>(
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Follower` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub struct Follower<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>(
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub struct Id(u32);
[INFO] [stdout]    |                -- ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     struct Node<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 31 |         id: Id,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |
[INFO] [stdout] 33 |         term: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 34 |
[INFO] [stdout] 35 |         next_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 36 |         match_indexes: [u32; CELL_SIZE],
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 37 |
[INFO] [stdout] 38 |         log: crate::log::Log<VALUE, MAX_LOG>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |         snapshot: SNAPSHOT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 40 |
[INFO] [stdout] 41 |         initialized: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fill_append_entries` is never used
[INFO] [stdout]   --> src/lib.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     impl<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>
[INFO] [stdout] 64 | |         Leader<CELL_SIZE, MAX_LOG, VALUE, SNAPSHOT>
[INFO] [stdout]    | |___________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |           fn fill_append_entries<'e>(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jarl` (lib test) due to 3 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `append_msg`
[INFO] [stdout]   --> src/lib.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |             append_msg: &mut crate::msg::AppendEntries<'e, VALUE>,
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Leader` is never constructed
[INFO] [stdout]   --> src/lib.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct Leader<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>(
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Candidate` is never constructed
[INFO] [stdout]   --> src/lib.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub struct Candidate<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>(
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Follower` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub struct Follower<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>(
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub struct Id(u32);
[INFO] [stdout]    |                -- ^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     struct Node<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 31 |         id: Id,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |
[INFO] [stdout] 33 |         term: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 34 |
[INFO] [stdout] 35 |         next_index: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 36 |         match_indexes: [u32; CELL_SIZE],
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 37 |
[INFO] [stdout] 38 |         log: crate::log::Log<VALUE, MAX_LOG>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 39 |         snapshot: SNAPSHOT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 40 |
[INFO] [stdout] 41 |         initialized: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fill_append_entries` is never used
[INFO] [stdout]   --> src/lib.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | /     impl<const CELL_SIZE: usize, const MAX_LOG: usize, VALUE, SNAPSHOT>
[INFO] [stdout] 64 | |         Leader<CELL_SIZE, MAX_LOG, VALUE, SNAPSHOT>
[INFO] [stdout]    | |___________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |           fn fill_append_entries<'e>(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jarl` (lib) due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4b3efdc042fc3b93bf6acc791241c59f553901159e31708c64b93e8a4b957839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3efdc042fc3b93bf6acc791241c59f553901159e31708c64b93e8a4b957839", kill_on_drop: false }`
[INFO] [stdout] 4b3efdc042fc3b93bf6acc791241c59f553901159e31708c64b93e8a4b957839
