[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#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzsakowitz%2Fbf-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/zsakowitz/bf-rs 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] 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" "+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] 32f2835ce6e4e103d64adb2d8e51a7f454cb3e9f8f8edf5c4dee39aff7bbe9f2 [INFO] running `Command { std: "docker" "start" "-a" "32f2835ce6e4e103d64adb2d8e51a7f454cb3e9f8f8edf5c4dee39aff7bbe9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32f2835ce6e4e103d64adb2d8e51a7f454cb3e9f8f8edf5c4dee39aff7bbe9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32f2835ce6e4e103d64adb2d8e51a7f454cb3e9f8f8edf5c4dee39aff7bbe9f2", kill_on_drop: false }` [INFO] [stdout] 32f2835ce6e4e103d64adb2d8e51a7f454cb3e9f8f8edf5c4dee39aff7bbe9f2 [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] b756860aaee3caf47a36babf503eb96275bfb9e2e6a781ef137c4a85a7f899f6 [INFO] running `Command { std: "docker" "start" "-a" "b756860aaee3caf47a36babf503eb96275bfb9e2e6a781ef137c4a85a7f899f6", 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] [stderr] error: could not compile `bf` (bin "bf" test) due to 1 previous error; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `bf` (bin "bf") due to 1 previous error; 7 warnings emitted [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] 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_structs)]` (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, [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 { [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 { [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 { [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 { [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 { [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] 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_structs)]` (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, [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 { [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 { [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 { [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 { [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 { [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] running `Command { std: "docker" "inspect" "b756860aaee3caf47a36babf503eb96275bfb9e2e6a781ef137c4a85a7f899f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b756860aaee3caf47a36babf503eb96275bfb9e2e6a781ef137c4a85a7f899f6", kill_on_drop: false }` [INFO] [stdout] b756860aaee3caf47a36babf503eb96275bfb9e2e6a781ef137c4a85a7f899f6