[INFO] fetching crate simples 0.1.1...
[INFO] checking simples-0.1.1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate simples 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate simples 0.1.1
[INFO] finished tweaking crates.io crate simples 0.1.1
[INFO] tweaked toml for crates.io crate simples 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simples 0.1.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 221 packages to latest compatible versions
[INFO] [stderr]       Adding cargo-release v0.22.4 (available: v1.1.2)
[INFO] [stderr]       Adding nalgebra v0.31.4 (available: v0.35.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ad543ddf4eb02941297c837d09d9f95f4eb0eb12089fc1c42f05d5ad4224f07e
[INFO] running `Command { std: "docker" "start" "-a" "ad543ddf4eb02941297c837d09d9f95f4eb0eb12089fc1c42f05d5ad4224f07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad543ddf4eb02941297c837d09d9f95f4eb0eb12089fc1c42f05d5ad4224f07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad543ddf4eb02941297c837d09d9f95f4eb0eb12089fc1c42f05d5ad4224f07e", kill_on_drop: false }`
[INFO] [stdout] ad543ddf4eb02941297c837d09d9f95f4eb0eb12089fc1c42f05d5ad4224f07e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 24dace023c259921939d2e584ffc532db14eeddff5dabbbc3c89ecdd9091980e
[INFO] running `Command { std: "docker" "start" "-a" "24dace023c259921939d2e584ffc532db14eeddff5dabbbc3c89ecdd9091980e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking smallvec v1.15.1
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[INFO] [stderr]    Compiling serde_json v1.0.150
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[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]     Checking similar v2.7.0
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[INFO] [stderr]    Compiling time-core v0.1.8
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[INFO] [stderr]    Compiling zerovec-derive v0.11.3
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[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]     Checking icu_normalizer v2.2.0
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[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking cargo-platform v0.1.9
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[INFO] [stderr]     Checking cargo_metadata v0.15.4
[INFO] [stderr]     Checking toml v0.5.11
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[INFO] [stderr]     Checking toml_datetime v0.5.1
[INFO] [stderr]     Checking humantime-serde v1.1.1
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[INFO] [stderr]     Checking nalgebra v0.31.4
[INFO] [stderr]     Checking ignore v0.4.25
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
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[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking trycmd v0.14.21
[INFO] [stderr]     Checking simples v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Linear` is never constructed
[INFO] [stdout]   --> src/smooth.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct Linear {
[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] [stderr] error: could not compile `simples` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "24dace023c259921939d2e584ffc532db14eeddff5dabbbc3c89ecdd9091980e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24dace023c259921939d2e584ffc532db14eeddff5dabbbc3c89ecdd9091980e", kill_on_drop: false }`
[INFO] [stdout] 24dace023c259921939d2e584ffc532db14eeddff5dabbbc3c89ecdd9091980e
