[INFO] fetching crate easy-captcha 0.1.3...
[INFO] testing easy-captcha-0.1.3 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate easy-captcha 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate easy-captcha 0.1.3
[INFO] finished tweaking crates.io crate easy-captcha 0.1.3
[INFO] tweaked toml for crates.io crate easy-captcha 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate easy-captcha 0.1.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b
[INFO] running `Command { std: "docker" "start" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", 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" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", 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" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling easy-captcha v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 41.63s
[INFO] running `Command { std: "docker" "inspect" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", 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" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-captcha v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", 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" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "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/deps/easy_captcha-ef837b908b993401)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test captcha::spec::test::it_works ... ok
[INFO] [stdout] test captcha::gif::test::it_works ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- captcha::gif::test::it_works stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'captcha::gif::test::it_works' (1507) panicked at src/captcha/gif.rs:230:49:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x635ba4c68431 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x635ba4c7ee7a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x635ba4c6c97c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x635ba4c44a26 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x635ba4c60b99 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x635ba4bd5db0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x635ba4c60d52 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x635ba4c44ad2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x635ba4c3d829 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x635ba4c456cd - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x635ba4c7f5ac - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x635ba4c7f382 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x635ba4ba3dc4 - easy_captcha[a64641bcc8a3fd9c]::captcha::gif::test::it_works
[INFO] [stdout]   13:     0x635ba4ba08f9 - <easy_captcha[a64641bcc8a3fd9c]::captcha::gif::test::it_works::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x635ba4bc909b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   15:     0x635ba4bd6705 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x635ba4bcffc4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x635ba4bd9862 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   18:     0x635ba4c67d09 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x75bde970ddfa - <unknown>
[INFO] [stdout]   20:     0x75bde97a13d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     captcha::gif::test::it_works
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b", kill_on_drop: false }`
[INFO] [stdout] ccf7803ff2cdaadf0a46f3e1e5f61fa6d393a7d5d29de8efd3386f3a59a0ec6b
