[INFO] fetching crate crate-api 0.0.1...
[INFO] testing crate-api-0.0.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate crate-api 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate crate-api 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate crate-api 0.0.1
[INFO] tweaked toml for crates.io crate crate-api 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crate-api 0.0.1 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 86 packages to highest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (available: v0.23.1)
[INFO] [stderr]       Adding toml_edit v0.13.4 (available: v0.25.17+spec-1.1.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f
[INFO] running `Command { std: "docker" "start" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", 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" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f" "/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" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", 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" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling camino v1.2.6
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling combine v4.6.9
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling kstring v1.0.6
[INFO] [stderr]    Compiling rustdoc-json-types-fork v0.0.1
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling toml_edit v0.13.4
[INFO] [stderr]    Compiling crate-api v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 41.12s
[INFO] running `Command { std: "docker" "inspect" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", 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" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f" "/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 libc v0.2.191
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling combine v4.6.9
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling concolor-query v0.0.5
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling concolor v0.0.8
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling globset v0.4.20
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling ignore v0.4.33
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling libtest-mimic v0.3.0
[INFO] [stderr]    Compiling kstring v1.0.6
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling rustdoc-json-types-fork v0.0.1
[INFO] [stderr]    Compiling toml_edit v0.13.4
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling fs_snapshot v0.1.2
[INFO] [stderr]    Compiling crate-api v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 49.44s
[INFO] running `Command { std: "docker" "inspect" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", 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" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f" "/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/crate-api/49fcdb185e25d7b2/out/crate_api-49fcdb185e25d7b2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/diff_api.rs (/opt/rustwide/target/release/build/crate-api/7b1d6408e4d31266/out/diff_api-7b1d6408e4d31266)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (1387) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fs_snapshot-0.1.2/src/harness.rs:42:31:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: WithPath { path: "../../fixtures", err: WithDepth { depth: 0, err: Io(Custom { kind: NotFound, error: Error { depth: 0, inner: Io { path: Some("../../fixtures"), err: Os { code: 2, kind: NotFound, message: "No such file or directory" } } } }) } }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5d4294fee371 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x5d429500409a - core[a373ad73a504971]::fmt::write
[INFO] [stderr]    2:     0x5d4294ff313c - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]    3:     0x5d4294fd11e6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x5d4294fe65d1 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]    5:     0x5d4294fe68fb - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]    6:     0x5d4294fd1292 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    7:     0x5d4294fc9ee9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    8:     0x5d4294fd1f0d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]    9:     0x5d429500487c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]   10:     0x5d4295004652 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stderr]   11:     0x5d4294e37cd5 - <&mut <fs_snapshot[cbec4970f707fade]::harness::Harness<diff_api[4f00a8595d24024b]::main::{closure#0}, diff_api[4f00a8595d24024b]::main::{closure#1}>>::test::{closure#0} as core[a373ad73a504971]::ops::function::FnMut<(core[a373ad73a504971]::result::Result<ignore[2bf3a17a42753239]::walk::DirEntry, ignore[2bf3a17a42753239]::Error>,)>>::call_mut
[INFO] [stderr]   12:     0x5d4294e2fed7 - <core[a373ad73a504971]::iter::adapters::map::Map<core[a373ad73a504971]::iter::adapters::filter_map::FilterMap<ignore[2bf3a17a42753239]::walk::Walk, <fs_snapshot[cbec4970f707fade]::harness::Harness<diff_api[4f00a8595d24024b]::main::{closure#0}, diff_api[4f00a8595d24024b]::main::{closure#1}>>::test::{closure#0}>, <fs_snapshot[cbec4970f707fade]::harness::Harness<diff_api[4f00a8595d24024b]::main::{closure#0}, diff_api[4f00a8595d24024b]::main::{closure#1}>>::test::{closure#1}> as core[a373ad73a504971]::iter::traits::iterator::Iterator>::next
[INFO] [stderr]   13:     0x5d4294e2f431 - <alloc[2e1b2a31b91974c5]::vec::Vec<libtest_mimic[62cd045056bb3be3]::Test<fs_snapshot[cbec4970f707fade]::harness::Case>> as alloc[2e1b2a31b91974c5]::vec::spec_from_iter::SpecFromIter<libtest_mimic[62cd045056bb3be3]::Test<fs_snapshot[cbec4970f707fade]::harness::Case>, core[a373ad73a504971]::iter::adapters::map::Map<core[a373ad73a504971]::iter::adapters::filter_map::FilterMap<ignore[2bf3a17a42753239]::walk::Walk, <fs_snapshot[cbec4970f707fade]::harness::Harness<diff_api[4f00a8595d24024b]::main::{closure#0}, diff_api[4f00a8595d24024b]::main::{closure#1}>>::test::{closure#0}>, <fs_snapshot[cbec4970f707fade]::harness::Harness<diff_api[4f00a8595d24024b]::main::{closure#0}, diff_api[4f00a8595d24024b]::main::{closure#1}>>::test::{closure#1}>>>::from_iter
[INFO] [stderr]   14:     0x5d4294e3778f - <fs_snapshot[cbec4970f707fade]::harness::Harness<diff_api[4f00a8595d24024b]::main::{closure#0}, diff_api[4f00a8595d24024b]::main::{closure#1}>>::test
[INFO] [stderr]   15:     0x5d4294e36fc9 - diff_api[4f00a8595d24024b]::main
[INFO] [stderr]   16:     0x5d4294e49913 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]   17:     0x5d4294e4dd29 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]   18:     0x5d4294fe58a8 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]   19:     0x5d4294e38575 - main
[INFO] [stderr]   20:     0x7a3b077e9601 - <unknown>
[INFO] [stderr]   21:     0x7a3b077e9718 - __libc_start_main
[INFO] [stderr]   22:     0x5d4294e20b15 - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test diff_api`
[INFO] running `Command { std: "docker" "inspect" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f", kill_on_drop: false }`
[INFO] [stdout] 2f77c4b0ba8fa74a6e0856b90f99c86e47476e6649fa8c842476d69b8ec4d34f
