[INFO] fetching crate slank 0.1.0...
[INFO] testing slank-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate slank 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate slank 0.1.0
[INFO] finished tweaking crates.io crate slank 0.1.0
[INFO] tweaked toml for crates.io crate slank 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slank 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slank 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmij v1.0.16
[INFO] [stderr]   Downloaded crc v3.3.0
[INFO] [stderr]   Downloaded ppmd-rust v1.3.0
[INFO] [stderr]   Downloaded aws-lc-rs v1.15.4
[INFO] [stderr]   Downloaded typed-path v0.12.0
[INFO] [stderr]   Downloaded cc v1.2.53
[INFO] [stderr]   Downloaded zip v7.2.0
[INFO] [stderr]   Downloaded lzma-rust2 v0.15.7
[INFO] [stderr]   Downloaded aws-lc-sys v0.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c08817851c98bde497d379f1a38402b276b0ff5cccce647d2b77974cb0094f0
[INFO] running `Command { std: "docker" "start" "-a" "7c08817851c98bde497d379f1a38402b276b0ff5cccce647d2b77974cb0094f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c08817851c98bde497d379f1a38402b276b0ff5cccce647d2b77974cb0094f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c08817851c98bde497d379f1a38402b276b0ff5cccce647d2b77974cb0094f0", kill_on_drop: false }`
[INFO] [stdout] 7c08817851c98bde497d379f1a38402b276b0ff5cccce647d2b77974cb0094f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58050cf1d8a8665acd98e5663d6a95b53dd2fc1b04547aee2f08e308a11e32ea
[INFO] running `Command { std: "docker" "start" "-a" "58050cf1d8a8665acd98e5663d6a95b53dd2fc1b04547aee2f08e308a11e32ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
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[INFO] [stderr]    Compiling once_cell v1.21.3
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[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
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[INFO] [stderr]    Compiling smallvec v1.15.1
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[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
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[INFO] [stderr]    Compiling httparse v1.10.1
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[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling http-body-util v0.1.3
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[INFO] [stderr]    Compiling xattr v1.6.1
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[INFO] [stderr]    Compiling ppmd-rust v1.3.0
[INFO] [stderr]    Compiling aws-lc-sys v0.37.0
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling deflate64 v0.1.10
[INFO] [stderr]    Compiling mime v0.3.17
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
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[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
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[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling zstd v0.13.3
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[INFO] [stderr]    Compiling zip v7.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling hyper v1.8.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling hyper-util v0.1.19
[INFO] [stderr]    Compiling rustls-webpki v0.103.9
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.6.2
[INFO] [stderr]    Compiling hyper-rustls v0.27.7
[INFO] [stderr]    Compiling reqwest v0.13.1
[INFO] [stderr]    Compiling slank v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flate2::read::GzDecoder`
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use flate2::read::GzDecoder;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tar::Archive`
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tar::Archive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `slank v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/slank-2ae572afd584e518/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: slangc not found. Either:
[INFO] [stderr]   1. Install slangc and add it to PATH
[INFO] [stderr]   2. Set SLANG_DIR environment variable
[INFO] [stderr]   3. Enable the 'download-slang' feature
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: <anyhow::Error>::msg::<&str>
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stderr]      1: anyhow::__private::format_err
[INFO] [stderr]      2: build_script_build::find_or_download_slangc
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]      4: <fn() -> core::result::Result<(), anyhow::Error> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]      5: std::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core::result::Result<(), anyhow::Error>, core::result::Result<(), anyhow::Error>>
[INFO] [stderr]      6: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>::{closure#0}
[INFO] [stderr]      7: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      8: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]      9: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     10: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     11: std::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]     12: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     13: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     14: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     15: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]     16: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>
[INFO] [stderr]     17: main
[INFO] [stderr]     18: <unknown>
[INFO] [stderr]     19: __libc_start_main
[INFO] [stderr]     20: _start
[INFO] running `Command { std: "docker" "inspect" "58050cf1d8a8665acd98e5663d6a95b53dd2fc1b04547aee2f08e308a11e32ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58050cf1d8a8665acd98e5663d6a95b53dd2fc1b04547aee2f08e308a11e32ea", kill_on_drop: false }`
[INFO] [stdout] 58050cf1d8a8665acd98e5663d6a95b53dd2fc1b04547aee2f08e308a11e32ea