[INFO] fetching crate ezio 0.1.2...
[INFO] testing ezio-0.1.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ezio 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ezio 0.1.2
[INFO] finished tweaking crates.io crate ezio 0.1.2
[INFO] tweaked toml for crates.io crate ezio 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezio 0.1.2 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 ezio 0.1.2 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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a
[INFO] running `Command { std: "docker" "start" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", 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" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a" "/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" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", 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" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ezio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", 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" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a" "/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 ezio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", 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" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a" "/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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/ezio/3baac1b769837f9a/out/ezio-3baac1b769837f9a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] Hello!
[INFO] [stdout] World!
[INFO] [stdout] test random::test::smoke ... ok
[INFO] [stdout] test stdio::tests::stdout_write ... ok
[INFO] [stdout] test string::test::str_write ... ok
[INFO] [stdout] test stdio::tests::stdout_writeln ... ok
[INFO] [stdout] test string::test::str_iter ... ok
[INFO] [stdout] test string::test::str_read_any ... ok
[INFO] [stderr] Hello!
[INFO] [stdout] test stdio::tests::stderr_write ... ok
[INFO] [stdout] test string::test::str_read ... ok
[INFO] [stdout] test string::test::str_write_any ... ok
[INFO] [stdout] test file::test::write_read ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- file::test::write_read stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'file::test::write_read' (256) panicked at src/file.rs:25:40:
[INFO] [stdout] Couldn't create file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55725f5f2aa1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x55725f607e0a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x55725f5f6e7c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x55725f5cef06 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x55725f5eb139 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x55725f584700 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x55725f5eb2f2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x55725f5cefb2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x55725f5c7cc9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x55725f5cfbbd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x55725f60853c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x55725f608312 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x55725f57640a - ezio[5278909e68c9c557]::file::write::<&str>
[INFO] [stdout]   13:     0x55725f5755ba - <ezio[5278909e68c9c557]::file::test::write_read::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x55725f577b4b - 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]   15:     0x55725f584d25 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   16:     0x55725f57e614 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x55725f587db2 - <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]   18:     0x55725f5f22ff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x7f63cf7f2dfa - <unknown>
[INFO] [stdout]   20:     0x7f63cf8863d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     file::test::write_read
[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] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a", kill_on_drop: false }`
[INFO] [stdout] 7e83eaa4ba588296060e654ebbd8f2f3ca08bfad187509dc4f9296fe7047ff5a
