[INFO] fetching crate lethe 0.8.0...
[INFO] checking lethe-0.8.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate lethe 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate lethe 0.8.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lethe 0.8.0
[INFO] finished tweaking crates.io crate lethe 0.8.0
[INFO] tweaked toml for crates.io crate lethe 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate lethe 0.8.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74e672b711a6c00728c2bca662c35b0e078f7f3b5f67c9d844f84aa9b9877d16
[INFO] running `Command { std: "docker" "start" "-a" "74e672b711a6c00728c2bca662c35b0e078f7f3b5f67c9d844f84aa9b9877d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e672b711a6c00728c2bca662c35b0e078f7f3b5f67c9d844f84aa9b9877d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e672b711a6c00728c2bca662c35b0e078f7f3b5f67c9d844f84aa9b9877d16", kill_on_drop: false }`
[INFO] [stdout] 74e672b711a6c00728c2bca662c35b0e078f7f3b5f67c9d844f84aa9b9877d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fcac56a8e4299e4c7486573fefb97e6bc41d85e8390950b14e460f220ae085a
[INFO] running `Command { std: "docker" "start" "-a" "5fcac56a8e4299e4c7486573fefb97e6bc41d85e8390950b14e460f220ae085a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling memoffset v0.6.5
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[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling serde_derive v1.0.145
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[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
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[INFO] [stderr]    Compiling thiserror v1.0.35
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[INFO] [stderr]     Checking base64 v0.13.0
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[INFO] [stderr]     Checking numtoa v0.2.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking retain_mut v0.1.7
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[INFO] [stderr]     Checking clap v3.2.22
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[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking bstr v0.2.17
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[INFO] [stderr]     Checking indicatif v0.17.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking streaming-iterator v0.1.7
[INFO] [stderr]     Checking prettytable-rs v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking lethe v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::storage::nix::*`
[INFO] [stdout]  --> src/storage/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::storage::nix::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `linux`
[INFO] [stdout]    --> src/main.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if cfg!(linux) {
[INFO] [stdout]     |                 ^^^^^ help: found config with similar value: `target_os = "linux"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(linux)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(linux)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::storage::nix::*`
[INFO] [stdout]  --> src/storage/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use crate::storage::nix::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `linux`
[INFO] [stdout]    --> src/main.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if cfg!(linux) {
[INFO] [stdout]     |                 ^^^^^ help: found config with similar value: `target_os = "linux"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(linux)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(linux)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `position` is never used
[INFO] [stdout]   --> src/storage/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait StorageAccess {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 34 |     fn position(&mut self) -> Result<u64>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_size` is never read
[INFO] [stdout]   --> src/storage/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct StorageDetails {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 63 |     pub size: u64,
[INFO] [stdout] 64 |     pub block_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageDetails` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `position` is never used
[INFO] [stdout]   --> src/storage/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait StorageAccess {
[INFO] [stdout]    |           ------------- method in this trait
[INFO] [stdout] 34 |     fn position(&mut self) -> Result<u64>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_size` is never read
[INFO] [stdout]   --> src/storage/mod.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct StorageDetails {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 63 |     pub size: u64,
[INFO] [stdout] 64 |     pub block_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageDetails` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.56s
[INFO] running `Command { std: "docker" "inspect" "5fcac56a8e4299e4c7486573fefb97e6bc41d85e8390950b14e460f220ae085a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcac56a8e4299e4c7486573fefb97e6bc41d85e8390950b14e460f220ae085a", kill_on_drop: false }`
[INFO] [stdout] 5fcac56a8e4299e4c7486573fefb97e6bc41d85e8390950b14e460f220ae085a