[INFO] fetching crate minirng 0.1.1...
[INFO] testing minirng-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate minirng 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate minirng 0.1.1
[INFO] finished tweaking crates.io crate minirng 0.1.1
[INFO] tweaked toml for crates.io crate minirng 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minirng 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minvect v0.1.7
[INFO] [stderr]   Downloaded minimg v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82c8151075272890953509e70330f8d9c2befc8b1fd9d914a5f4c4d43e5a1b53
[INFO] running `Command { std: "docker" "start" "-a" "82c8151075272890953509e70330f8d9c2befc8b1fd9d914a5f4c4d43e5a1b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c8151075272890953509e70330f8d9c2befc8b1fd9d914a5f4c4d43e5a1b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c8151075272890953509e70330f8d9c2befc8b1fd9d914a5f4c4d43e5a1b53", kill_on_drop: false }`
[INFO] [stdout] 82c8151075272890953509e70330f8d9c2befc8b1fd9d914a5f4c4d43e5a1b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81a7d1dab0d1d51148be1f9cbaccbec9061ec87e56db50fe49cb688e46ce821
[INFO] running `Command { std: "docker" "start" "-a" "b81a7d1dab0d1d51148be1f9cbaccbec9061ec87e56db50fe49cb688e46ce821", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling minvect v0.1.7
[INFO] [stderr]    Compiling minirng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "b81a7d1dab0d1d51148be1f9cbaccbec9061ec87e56db50fe49cb688e46ce821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81a7d1dab0d1d51148be1f9cbaccbec9061ec87e56db50fe49cb688e46ce821", kill_on_drop: false }`
[INFO] [stdout] b81a7d1dab0d1d51148be1f9cbaccbec9061ec87e56db50fe49cb688e46ce821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00e6220893991fd0c8704a2bb92a3c9e73b1810849e903ab1837a859ab37e3a0
[INFO] running `Command { std: "docker" "start" "-a" "00e6220893991fd0c8704a2bb92a3c9e73b1810849e903ab1837a859ab37e3a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling flate2 v1.1.5
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling minvect v0.1.7
[INFO] [stderr]    Compiling minimg v0.1.4
[INFO] [stderr]    Compiling minirng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `dump_to_file` found for struct `ImageBuffer` in the current scope
[INFO] [stdout]   --> tests/noise.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     buf.dump_to_file("noise.png");
[INFO] [stdout]    |         ^^^^^^^^^^^^ method not found in `ImageBuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minirng` (test "noise") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `dump_to_file` found for struct `ImageBuffer` in the current scope
[INFO] [stdout]   --> tests/bench.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     buf.dump_to_file("khash.png");
[INFO] [stdout]    |         ^^^^^^^^^^^^ method not found in `ImageBuffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minirng` (test "bench") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "00e6220893991fd0c8704a2bb92a3c9e73b1810849e903ab1837a859ab37e3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e6220893991fd0c8704a2bb92a3c9e73b1810849e903ab1837a859ab37e3a0", kill_on_drop: false }`
[INFO] [stdout] 00e6220893991fd0c8704a2bb92a3c9e73b1810849e903ab1837a859ab37e3a0