[INFO] cloning repository https://github.com/zsakowitz/bf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zsakowitz/bf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fbf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fbf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df835060cbcc07626248b01a3ed29ab5f48e2758
[INFO] checking zsakowitz/bf-rs against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fbf-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zsakowitz/bf-rs
[INFO] finished tweaking git repo https://github.com/zsakowitz/bf-rs
[INFO] tweaked toml for git repo https://github.com/zsakowitz/bf-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zsakowitz/bf-rs on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zsakowitz/bf-rs 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1963dd4324e58412f49afae13e826a5a475755d1c05bbbbd5b6814efa2820ee1
[INFO] running `Command { std: "docker" "start" "-a" "1963dd4324e58412f49afae13e826a5a475755d1c05bbbbd5b6814efa2820ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1963dd4324e58412f49afae13e826a5a475755d1c05bbbbd5b6814efa2820ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1963dd4324e58412f49afae13e826a5a475755d1c05bbbbd5b6814efa2820ee1", kill_on_drop: false }`
[INFO] [stdout] 1963dd4324e58412f49afae13e826a5a475755d1c05bbbbd5b6814efa2820ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c17c601dbb82880802858617cd1720067bd7ece7b048ce9ee02705f559a3cd1f
[INFO] running `Command { std: "docker" "start" "-a" "c17c601dbb82880802858617cd1720067bd7ece7b048ce9ee02705f559a3cd1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking getrandom v0.2.10
[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 bf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `memory` is never read
[INFO] [stdout]   --> src/builder/allocator/core.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         memory[location] = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `CellArray` is never constructed
[INFO] [stdout]  --> src/builder/allocator/array.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CellArray<'a, const N: usize, const U: usize, T: IntoCell<'a, N>> {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `memory` and `data` are never read
[INFO] [stdout]  --> src/builder/allocator/array.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CellArray<'a, const N: usize, const U: usize, T: IntoCell<'a, N>> {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 7 |     memory: &'a AllocatingBuilder<N>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     data: [T; U],
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/allocator/core.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(super) fn u8_uninit(&self) -> CellU8<N> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(super) fn u8_uninit(&self) -> CellU8<'_, N> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/allocator/core.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn u8(&self, value: u8) -> CellU8<N> {
[INFO] [stdout]    |               ^^^^^                ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn u8(&self, value: u8) -> CellU8<'_, N> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/allocator/core.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn read(&self) -> CellU8<N> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn read(&self) -> CellU8<'_, N> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/builder/allocator/core.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(super) fn bool_uninit(&self) -> CellBool<N> {
[INFO] [stdout]     |                               ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(super) fn bool_uninit(&self) -> CellBool<'_, N> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/builder/allocator/core.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn bool(&self, value: bool) -> CellBool<N> {
[INFO] [stdout]     |                 ^^^^^                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn bool(&self, value: bool) -> CellBool<'_, N> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory` is never read
[INFO] [stdout]   --> src/builder/allocator/core.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         memory[location] = false;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bf` (bin "bf") due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `CellArray` is never constructed
[INFO] [stdout]  --> src/builder/allocator/array.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CellArray<'a, const N: usize, const U: usize, T: IntoCell<'a, N>> {
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `memory` and `data` are never read
[INFO] [stdout]  --> src/builder/allocator/array.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CellArray<'a, const N: usize, const U: usize, T: IntoCell<'a, N>> {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 7 |     memory: &'a AllocatingBuilder<N>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     data: [T; U],
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/allocator/core.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(super) fn u8_uninit(&self) -> CellU8<N> {
[INFO] [stdout]    |                             ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(super) fn u8_uninit(&self) -> CellU8<'_, N> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/allocator/core.rs:92:15
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn u8(&self, value: u8) -> CellU8<N> {
[INFO] [stdout]    |               ^^^^^                ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn u8(&self, value: u8) -> CellU8<'_, N> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/builder/allocator/core.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn read(&self) -> CellU8<N> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn read(&self) -> CellU8<'_, N> {
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/builder/allocator/core.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(super) fn bool_uninit(&self) -> CellBool<N> {
[INFO] [stdout]     |                               ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub(super) fn bool_uninit(&self) -> CellBool<'_, N> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/builder/allocator/core.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn bool(&self, value: bool) -> CellBool<N> {
[INFO] [stdout]     |                 ^^^^^                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn bool(&self, value: bool) -> CellBool<'_, N> {
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bf` (bin "bf" test) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c17c601dbb82880802858617cd1720067bd7ece7b048ce9ee02705f559a3cd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17c601dbb82880802858617cd1720067bd7ece7b048ce9ee02705f559a3cd1f", kill_on_drop: false }`
[INFO] [stdout] c17c601dbb82880802858617cd1720067bd7ece7b048ce9ee02705f559a3cd1f
