[INFO] fetching crate stackblur-iter 0.2.0...
[INFO] testing stackblur-iter-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate stackblur-iter 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate stackblur-iter 0.2.0
[INFO] finished tweaking crates.io crate stackblur-iter 0.2.0
[INFO] tweaked toml for crates.io crate stackblur-iter 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackblur-iter 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded imgref-iter v0.4.0
[INFO] [stderr]   Downloaded blend-srgb v0.1.1
[INFO] [stderr]   Downloaded imgref v1.12.0
[INFO] [stderr]   Downloaded unique v0.9.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e919b012cbbbe53081171ee3b316c35a99bf95473cbcbb402e45618bdedac318
[INFO] running `Command { std: "docker" "start" "-a" "e919b012cbbbe53081171ee3b316c35a99bf95473cbcbb402e45618bdedac318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e919b012cbbbe53081171ee3b316c35a99bf95473cbcbb402e45618bdedac318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e919b012cbbbe53081171ee3b316c35a99bf95473cbcbb402e45618bdedac318", kill_on_drop: false }`
[INFO] [stdout] e919b012cbbbe53081171ee3b316c35a99bf95473cbcbb402e45618bdedac318
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 292ba590d8c261fc27d0a27926c712d1b0a743beecf7417284763a84f23cac7d
[INFO] running `Command { std: "docker" "start" "-a" "292ba590d8c261fc27d0a27926c712d1b0a743beecf7417284763a84f23cac7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling imgref-iter v0.4.0
[INFO] [stderr]    Compiling stackblur-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "292ba590d8c261fc27d0a27926c712d1b0a743beecf7417284763a84f23cac7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292ba590d8c261fc27d0a27926c712d1b0a743beecf7417284763a84f23cac7d", kill_on_drop: false }`
[INFO] [stdout] 292ba590d8c261fc27d0a27926c712d1b0a743beecf7417284763a84f23cac7d
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66455fa1c8c81bafd8d5367c80a18fb5b08aed25a7e66e65774d23a9e666a110
[INFO] running `Command { std: "docker" "start" "-a" "66455fa1c8c81bafd8d5367c80a18fb5b08aed25a7e66e65774d23a9e666a110", kill_on_drop: false }`
[INFO] [stderr]    Compiling iai v0.1.1
[INFO] [stderr]    Compiling stackblur-iter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 | #![cfg_attr(test, feature(test))]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     bencher.iter(|| stackblur::blur_horiz(&mut buf, WIDTH_NONZERO, unsafe { NonZeroU32::new_unchecked(16) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:213:18
[INFO] [stdout]     |
[INFO] [stdout] 213 |     bencher.iter(|| stackblur::blur_horiz(&mut buf, WIDTH_NONZERO, unsafe { NonZeroU32::new_unchecked(128) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:220:18
[INFO] [stdout]     |
[INFO] [stdout] 220 |     bencher.iter(|| stackblur::blur_horiz(&mut buf, WIDTH_NONZERO, unsafe { NonZeroU32::new_unchecked(1024) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:227:18
[INFO] [stdout]     |
[INFO] [stdout] 227 |     bencher.iter(|| stackblur::blur_vert(&mut buf, WIDTH_NONZERO, HEIGHT_NONZERO, unsafe { NonZeroU32::new_unchecked(16) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:234:18
[INFO] [stdout]     |
[INFO] [stdout] 234 |     bencher.iter(|| stackblur::blur_vert(&mut buf, WIDTH_NONZERO, HEIGHT_NONZERO, unsafe { NonZeroU32::new_unchecked(128) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:241:18
[INFO] [stdout]     |
[INFO] [stdout] 241 |     bencher.iter(|| stackblur::blur_vert(&mut buf, WIDTH_NONZERO, HEIGHT_NONZERO, unsafe { NonZeroU32::new_unchecked(1024) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:248:18
[INFO] [stdout]     |
[INFO] [stdout] 248 |     bencher.iter(|| stackblur::blur(&mut buf, WIDTH_NONZERO, HEIGHT_NONZERO, unsafe { NonZeroU32::new_unchecked(16) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:255:18
[INFO] [stdout]     |
[INFO] [stdout] 255 |     bencher.iter(|| stackblur::blur(&mut buf, WIDTH_NONZERO, HEIGHT_NONZERO, unsafe { NonZeroU32::new_unchecked(128) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]    --> src/test.rs:262:18
[INFO] [stdout]     |
[INFO] [stdout] 262 |     bencher.iter(|| stackblur::blur(&mut buf, WIDTH_NONZERO, HEIGHT_NONZERO, unsafe { NonZeroU32::new_unchecked(1024) }));
[INFO] [stdout]     |                     ^^^^^^^^^ use of unresolved module or unlinked crate `stackblur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `stackblur`, use `cargo add stackblur` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stackblur-iter` (lib test) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "66455fa1c8c81bafd8d5367c80a18fb5b08aed25a7e66e65774d23a9e666a110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66455fa1c8c81bafd8d5367c80a18fb5b08aed25a7e66e65774d23a9e666a110", kill_on_drop: false }`
[INFO] [stdout] 66455fa1c8c81bafd8d5367c80a18fb5b08aed25a7e66e65774d23a9e666a110
