[INFO] fetching crate dagga 0.2.3...
[INFO] testing dagga-0.2.3 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dagga 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate dagga 0.2.3
[INFO] finished tweaking crates.io crate dagga 0.2.3
[INFO] tweaked toml for crates.io crate dagga 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dagga 0.2.3 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] crate crates.io crate dagga 0.2.3 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dot2 v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec
[INFO] running `Command { std: "docker" "start" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", 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" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec" "/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" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", 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" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling dot2 v1.0.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]    Compiling snafu v0.8.9
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling dagga v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 13.56s
[INFO] running `Command { std: "docker" "inspect" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", 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" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec" "/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 dagga v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", 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" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec" "/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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/dagga-6d517d8587ca4780)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::explicit_barrier ... ok
[INFO] [stdout] test tests::detect_cycle - should panic ... ok
[INFO] [stdout] test tests::without_results ... FAILED
[INFO] [stdout] test tests::detect_unsolvable_barrier - should panic ... ok
[INFO] [stdout] test tests::sanity_alt ... ok
[INFO] [stdout] test tests::sanity ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::without_results stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::without_results' (358) panicked at src/lib.rs:1031:14:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: CreateFile { source: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x576d65ce3bd1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x576d65cf7f6a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x576d65ce806c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x576d65cc01c6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x576d65cdc339 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x576d65c78780 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x576d65cdc4f2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x576d65cc0272 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x576d65cb8ff9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x576d65cc0e6d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x576d65cf869c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x576d65cf8472 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x576d65c63463 - dagga[efa99ec7490cf873]::tests::without_results
[INFO] [stdout]   13:     0x576d65c520b9 - <dagga[efa99ec7490cf873]::tests::without_results::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x576d65c6ba6b - 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:     0x576d65c790d5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x576d65c72994 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x576d65c7c232 - <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:     0x576d65ce34a9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x703a02ae9dfa - <unknown>
[INFO] [stdout]   20:     0x703a02b7d3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::sanity stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::sanity' (356) panicked at src/lib.rs:968:45:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: CreateFile { source: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x576d65ce3bd1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x576d65cf7f6a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x576d65ce806c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x576d65cc01c6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x576d65cdc339 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x576d65c78780 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x576d65cdc4f2 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x576d65cc0272 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x576d65cb8ff9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x576d65cc0e6d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x576d65cf869c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x576d65cf8472 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x576d65c65438 - dagga[efa99ec7490cf873]::tests::sanity
[INFO] [stdout]   13:     0x576d65c52119 - <dagga[efa99ec7490cf873]::tests::sanity::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x576d65c6ba6b - 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:     0x576d65c790d5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x576d65c72994 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x576d65c7c232 - <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:     0x576d65ce34a9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x703a02ae9dfa - <unknown>
[INFO] [stdout]   20:     0x703a02b7d3d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::sanity
[INFO] [stdout]     tests::without_results
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 2 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" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec", kill_on_drop: false }`
[INFO] [stdout] ed0659839203e01bb20c560831e7be1e3f69633ae244f9531269b747f4b09aec
