[INFO] fetching crate fast_hilbert 2.1.0...
[INFO] testing fast_hilbert-2.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate fast_hilbert 2.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fast_hilbert 2.1.0
[INFO] finished tweaking crates.io crate fast_hilbert 2.1.0
[INFO] tweaked toml for crates.io crate fast_hilbert 2.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_hilbert 2.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fast_hilbert 2.1.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c
[INFO] running `Command { std: "docker" "start" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast_hilbert v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
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[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling num-rational v0.4.2
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[INFO] [stderr]    Compiling anyhow v1.0.97
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[INFO] [stderr]    Compiling itertools v0.12.1
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[INFO] [stderr]    Compiling hilbert_2d v1.1.0
[INFO] [stderr]    Compiling hilbert_curve v0.2.0
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
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[INFO] [stderr]    Compiling image v0.25.8
[INFO] [stderr]    Compiling fast_hilbert v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/fast_hilbert/9b22e9a482a66f2b/out/fast_hilbert-9b22e9a482a66f2b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::h2xy_one_bit ... ok
[INFO] [stdout] test tests::gen_lut3_sxxxyyy ... ok
[INFO] [stdout] test tests::xy2h_one_bit ... ok
[INFO] [stdout] test tests::hilbert_and_rev ... ok
[INFO] [stdout] test tests::gen_lut3_shhh ... ok
[INFO] [stdout] test tests::write_image ... FAILED
[INFO] [stdout] test tests::xy2h_two_bits ... ok
[INFO] [stdout] test tests::hilbert_and_rev_full_order ... ok
[INFO] [stdout] test tests::h2xy_two_bits ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::h2xy_test ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::write_image stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::write_image' (1823) panicked at src/lib.rs:494:50:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x565500eba0e1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x565500ecedba - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x565500ebe4fc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x565500e961e6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x565500eb25f9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x565500ca86d0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x565500eb2922 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x565500e96292 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x565500e8ef79 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x565500e96e9d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x565500ecf4ec - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x565500ecf2c2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x565500b9829b - <fast_hilbert[8cce4de801882730]::tests::write_image::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x565500c9bb1b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x565500ca8cf5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x565500ca25e4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x565500cabd82 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x565500eb992f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x7d10ddfa5dfa - <unknown>
[INFO] [stdout]   19:     0x7d10de0393d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::write_image
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c", kill_on_drop: false }`
[INFO] [stdout] 97046ca953014b36bbfbc8c51b337acc2700046318ef99fc1b33fab5fceec80c
