[INFO] fetching crate tokio-take-seek 0.1.0...
[INFO] testing tokio-take-seek-0.1.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate tokio-take-seek 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tokio-take-seek 0.1.0
[INFO] finished tweaking crates.io crate tokio-take-seek 0.1.0
[INFO] tweaked toml for crates.io crate tokio-take-seek 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-take-seek 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to highest compatible versions
[INFO] [stderr]       Adding tempfile v1.1.3 (available: v3.27.0)
[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] 53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd
[INFO] running `Command { std: "docker" "start" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", 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" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd" "/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" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", 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" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling tokio-take-seek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", 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" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd" "/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 winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v1.1.3
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling tokio v1.53.3
[INFO] [stderr]    Compiling tokio-take-seek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 17.68s
[INFO] running `Command { std: "docker" "inspect" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", 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" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd" "/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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/tokio-take-seek/5fb32d089037cbd3/out/tokio_take_seek-5fb32d089037cbd3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::seek_past_limit ... ok
[INFO] [stdout] test tests::seek_past_limit_and_back ... ok
[INFO] [stdout] test tests::multiple_re_reads ... FAILED
[INFO] [stdout] test tests::basic_seek_and_reed ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::multiple_re_reads stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::multiple_re_reads' (332) panicked at src/lib.rs:130:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: ""
[INFO] [stdout]  right: "this will be read multiple times"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d1018be8d81 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5d1018bfce5a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5d1018bed01c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5d1018bc48c6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5d1018be1119 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5d1018b630a0 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5d1018be12d2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5d1018bc4972 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5d1018bbd5d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5d1018bc557d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5d1018bfd5bc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5d1018bfd4d3 - core[a373ad73a504971]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x5d1018b4b5c5 - core[a373ad73a504971]::panicking::assert_failed::<alloc[2e1b2a31b91974c5]::string::String, &str>
[INFO] [stdout]   13:     0x5d1018b5282d - tokio_take_seek[25de89e4884a78b2]::tests::multiple_re_reads::{closure#0}
[INFO] [stdout]   14:     0x5d1018b4a863 - <tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::Context>::enter::<core[a373ad73a504971]::task::poll::Poll<()>, <tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]   15:     0x5d1018b4c2bc - <tokio[881d77cd77cb0b7d]::runtime::context::scoped::Scoped<tokio[881d77cd77cb0b7d]::runtime::scheduler::Context>>::set::<<tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>::{closure#0}, core[a373ad73a504971]::option::Option<()>>::{closure#0}, (alloc[2e1b2a31b91974c5]::boxed::Box<tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::Core>, core[a373ad73a504971]::option::Option<()>)>
[INFO] [stdout]   16:     0x5d1018b4aa07 - <tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[a373ad73a504971]::pin::Pin<&mut core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>>
[INFO] [stdout]   17:     0x5d1018b4f394 - tokio[881d77cd77cb0b7d]::runtime::context::runtime::enter_runtime::<<tokio[881d77cd77cb0b7d]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]   18:     0x5d1018b4a745 - <tokio[881d77cd77cb0b7d]::runtime::runtime::Runtime>::block_on::<core[a373ad73a504971]::pin::Pin<&mut dyn core[a373ad73a504971]::future::future::Future<Output = ()>>>
[INFO] [stdout]   19:     0x5d1018b53b94 - <tokio_take_seek[25de89e4884a78b2]::tests::multiple_re_reads::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x5d1018b564eb - 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]   21:     0x5d1018b636c5 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   22:     0x5d1018b5cfb4 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   23:     0x5d1018b66752 - <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]   24:     0x5d1018be83ff - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   25:     0x7aa42f2d5dfa - <unknown>
[INFO] [stdout]   26:     0x7aa42f3693d4 - clone
[INFO] [stdout]   27:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::multiple_re_reads
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 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" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd", kill_on_drop: false }`
[INFO] [stdout] 53190cffe66d230f84968636742370827b2e1ebeadc36a382546368944563cdd
