[INFO] fetching crate conjoiner-engine 1.2.3...
[INFO] testing conjoiner-engine-1.2.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate conjoiner-engine 1.2.3 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate conjoiner-engine 1.2.3
[INFO] finished tweaking crates.io crate conjoiner-engine 1.2.3
[INFO] tweaked toml for crates.io crate conjoiner-engine 1.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate conjoiner-engine 1.2.3 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] 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 19 packages to highest compatible versions
[INFO] [stderr]       Adding postcard v0.4.3 (available: v1.1.3)
[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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3
[INFO] running `Command { std: "docker" "start" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", 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" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3" "/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" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", 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" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3" "/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 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling postcard v0.4.3
[INFO] [stderr]    Compiling conjoiner-engine v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", 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" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3" "/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 conjoiner-engine v1.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", 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" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3" "/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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/conjoiner-engine/95232d89ffad773f/out/conjoiner_engine-95232d89ffad773f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::serialise ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::deserialise ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::serialise stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::serialise' (449) panicked at src/lib.rs:43:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 8
[INFO] [stdout]  right: 10
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x586f98c20061 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x586f98c33f8a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x586f98c2427c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x586f98bfc4c6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x586f98c186f9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x586f98bb4d70 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x586f98c188b2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x586f98bfc572 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x586f98bf5289 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x586f98bfd17d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x586f98c346bc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x586f98c345d3 - core[a373ad73a504971]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x586f98c30e58 - core[a373ad73a504971]::panicking::assert_failed::<usize, usize>
[INFO] [stdout]   13:     0x586f98ba7f60 - conjoiner_engine[16fd017ce8dc9c8e]::tests::serialise
[INFO] [stdout]   14:     0x586f98ba8149 - <conjoiner_engine[16fd017ce8dc9c8e]::tests::serialise::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   15:     0x586f98ba81bb - 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]   16:     0x586f98bb5395 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   17:     0x586f98baec84 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   18:     0x586f98bb8422 - <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]   19:     0x586f98c1f8bf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   20:     0x7a941f66adfa - <unknown>
[INFO] [stdout]   21:     0x7a941f6fe3d4 - clone
[INFO] [stdout]   22:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::serialise
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3", kill_on_drop: false }`
[INFO] [stdout] d6160c31c8ef2e33947dad1d62fe10d01dcbac32096aa10848a13e2d2a6b22f3
