[INFO] fetching crate libnail 0.4.0...
[INFO] checking libnail-0.4.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate libnail 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate libnail 0.4.0
[INFO] finished tweaking crates.io crate libnail 0.4.0
[INFO] tweaked toml for crates.io crate libnail 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libnail 0.4.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libnail 0.4.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rgb v0.8.44
[INFO] [stderr]   Downloaded buffer-redux v1.0.1
[INFO] [stderr]   Downloaded color-backtrace v0.7.0
[INFO] [stderr]   Downloaded ravif v0.11.8
[INFO] [stderr]   Downloaded built v0.7.4
[INFO] [stderr]   Downloaded bitstream-io v2.5.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.15
[INFO] [stderr]   Downloaded seq_io v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b7e12e1e1913e5b4183e1ea42b4e3eebf480e2bab98194d4278ddb788cd66a7
[INFO] running `Command { std: "docker" "start" "-a" "8b7e12e1e1913e5b4183e1ea42b4e3eebf480e2bab98194d4278ddb788cd66a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b7e12e1e1913e5b4183e1ea42b4e3eebf480e2bab98194d4278ddb788cd66a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b7e12e1e1913e5b4183e1ea42b4e3eebf480e2bab98194d4278ddb788cd66a7", kill_on_drop: false }`
[INFO] [stdout] 8b7e12e1e1913e5b4183e1ea42b4e3eebf480e2bab98194d4278ddb788cd66a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e54f7226740f8293d2fc4cf653e602e4b2d9ea8bf9b46d68e6a689b2370031eb
[INFO] running `Command { std: "docker" "start" "-a" "e54f7226740f8293d2fc4cf653e602e4b2d9ea8bf9b46d68e6a689b2370031eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cc v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking adler v1.0.2
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[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
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[INFO] [stderr]    Compiling dtor-proc-macro v0.0.5
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[INFO] [stderr]     Checking rustc-demangle v0.1.24
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[INFO] [stderr]    Compiling ctor-proc-macro v0.0.5
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[INFO] [stderr]    Compiling rustc_version v0.4.1
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[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling assert2-macros v0.3.15
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking getrandom v0.2.15
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[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking addr2line v0.21.0
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[INFO] [stderr]     Checking color-backtrace v0.7.0
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[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking assert2 v0.3.15
[INFO] [stderr]     Checking seq_io v0.3.2
[INFO] [stderr]     Checking libnail v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/align/structs/cloud.rs:385:17
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub fn iter(&self) -> std::slice::Iter<Bound> {
[INFO] [stdout]     |                 ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub fn iter(&self) -> std::slice::Iter<'_, Bound> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOUNDS_D_1` is never used
[INFO] [stdout]     --> src/align/structs/cloud.rs:1428:15
[INFO] [stdout]      |
[INFO] [stdout] 1428 |     pub const BOUNDS_D_1: [ArraySeqMajorBound; 5] = [
[INFO] [stdout]      |               ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOUNDS_D_2` is never used
[INFO] [stdout]     --> src/align/structs/cloud.rs:1450:15
[INFO] [stdout]      |
[INFO] [stdout] 1450 |     pub const BOUNDS_D_2: [ArraySeqMajorBound; 5] = [
[INFO] [stdout]      |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOUNDS_D_MERGE` is never used
[INFO] [stdout]     --> src/align/structs/cloud.rs:1472:15
[INFO] [stdout]      |
[INFO] [stdout] 1472 |     pub const BOUNDS_D_MERGE: [ArraySeqMajorBound; 17] = [
[INFO] [stdout]      |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/align/structs/cloud.rs:385:17
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub fn iter(&self) -> std::slice::Iter<Bound> {
[INFO] [stdout]     |                 ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 385 |     pub fn iter(&self) -> std::slice::Iter<'_, Bound> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.74s
[INFO] running `Command { std: "docker" "inspect" "e54f7226740f8293d2fc4cf653e602e4b2d9ea8bf9b46d68e6a689b2370031eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54f7226740f8293d2fc4cf653e602e4b2d9ea8bf9b46d68e6a689b2370031eb", kill_on_drop: false }`
[INFO] [stdout] e54f7226740f8293d2fc4cf653e602e4b2d9ea8bf9b46d68e6a689b2370031eb