[INFO] fetching crate dagga 0.2.3...
[INFO] testing dagga-0.2.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dagga 0.2.3 into /workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dagga 0.2.3 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 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" "+1.100.0-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] a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb
[INFO] running `Command { std: "docker" "start" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", 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" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb" "/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" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", 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" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "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] warning: unused dependency `serde`
[INFO] [stderr]   --> Cargo.toml:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | [dependencies.serde]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: `dagga` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 13.50s
[INFO] running `Command { std: "docker" "inspect" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", 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" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb" "/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 dagga v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]   --> Cargo.toml:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | [dependencies.serde]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: `dagga` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", 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" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stdout] running 6 tests
[INFO] [stderr]   --> Cargo.toml:11:15
[INFO] [stdout] test tests::detect_unsolvable_barrier - should panic ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::explicit_barrier ... ok
[INFO] [stderr] 11 | [dependencies.serde]
[INFO] [stdout] test tests::without_results ... FAILED
[INFO] [stderr]    |               ^^^^^^
[INFO] [stdout] test tests::sanity ... FAILED
[INFO] [stderr]    |
[INFO] [stdout] test tests::detect_cycle - should panic ... ok
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: `dagga` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/dagga/6d517d8587ca4780/out/dagga-6d517d8587ca4780)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::sanity_alt ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::without_results stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::without_results' (355) 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:     0x5629f980eb71 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5629f9822c7a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5629f9812d8c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5629f97eafd6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5629f9807209 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5629f97a3870 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5629f98073c2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5629f97eb082 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5629f97e3d99 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5629f97ebc8d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5629f98233ac - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5629f9823182 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5629f97940f4 - <dagga[c354f25bd05a0d9a]::tests::without_results::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x5629f9796cbb - 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:     0x5629f97a3e95 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x5629f979d784 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x5629f97a6f22 - <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:     0x5629f980e3cf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x73c492099dfa - <unknown>
[INFO] [stdout]   19:     0x73c49212d3d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::sanity stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::sanity' (353) 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:     0x5629f980eb71 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5629f9822c7a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5629f9812d8c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5629f97eafd6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5629f9807209 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5629f97a3870 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5629f98073c2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5629f97eb082 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5629f97e3d99 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5629f97ebc8d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5629f98233ac - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5629f9823182 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5629f97960a9 - <dagga[c354f25bd05a0d9a]::tests::sanity::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x5629f9796cbb - 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:     0x5629f97a3e95 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x5629f979d784 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x5629f97a6f22 - <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:     0x5629f980e3cf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x73c492099dfa - <unknown>
[INFO] [stdout]   19:     0x73c49212d3d4 - clone
[INFO] [stdout]   20:                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] running `Command { std: "docker" "inspect" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb", kill_on_drop: false }`
[INFO] [stdout] a4db07d6f9aa743bafbac0e9b56f5dea86ab993e6b3b81d7ccb437ffd91eccfb
