[INFO] fetching crate dfconfig 0.2.0...
[INFO] testing dfconfig-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dfconfig 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate dfconfig 0.2.0
[INFO] finished tweaking crates.io crate dfconfig 0.2.0
[INFO] tweaked toml for crates.io crate dfconfig 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dfconfig 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to highest compatible versions
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0
[INFO] running `Command { std: "docker" "start" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", 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" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0" "/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" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", 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" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling lazy_static v1.5.1
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling dfconfig v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 70 | #[derive(Clone, Debug)]
[INFO] [stdout] 71 | pub struct Config {
[INFO] [stdout]    | ----------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline> for more information
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", 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" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0" "/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 libc v0.2.191
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 70 | #[derive(Clone, Debug)]
[INFO] [stdout] 71 | pub struct Config {
[INFO] [stdout]    | ----------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline> for more information
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling dfconfig v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[doc(inline)]
[INFO] [stdout]    |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] 70 | #[derive(Clone, Debug)]
[INFO] [stdout] 71 | pub struct Config {
[INFO] [stdout]    | ----------------- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline> for more information
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 11.23s
[INFO] running `Command { std: "docker" "inspect" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", 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" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: this attribute can only be applied to a `use` item
[INFO] [stderr]   --> src/lib.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[doc(inline)]
[INFO] [stderr]    |       ^^^^^^ only applicable on `use` items
[INFO] [stderr] 70 | #[derive(Clone, Debug)]
[INFO] [stderr] 71 | pub struct Config {
[INFO] [stderr]    | ----------------- not a `use` item
[INFO] [stderr]    |
[INFO] [stderr]    = note: read <https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline> for more information
[INFO] [stderr]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dfconfig` (lib) generated 1 warning
[INFO] [stderr] warning: `dfconfig` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/dfconfig-b32ab27efa1637d2)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_basic_parse ... ok
[INFO] [stdout] test tests::test_basic_set ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_multi_value ... ok
[INFO] [stdout] test tests::test_keys_iter ... ok
[INFO] [stdout] test tests::test_remove ... ok
[INFO] [stdout] test tests::panic_on_non_alphanumeric_set - should panic ... ok
[INFO] [stdout] test tests::test_keys_values_iter ... ok
[INFO] [stdout] test tests::test_read_file_smoke ... FAILED
[INFO] [stdout] test tests::panic_on_empty_set - should panic ... ok
[INFO] [stdout] test tests::test_hashmap ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::test_read_modify ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_read_file_smoke stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_read_file_smoke' (377) panicked at src/lib.rs:308:55:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x597c66870761 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x597c668861ba - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x597c66874cac - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x597c6684c9e6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x597c66868b59 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x597c6673c140 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x597c66868d12 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x597c6684ca92 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x597c66845659 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x597c6684d68d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x597c6688699c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x597c66886772 - core[df12db4294e9bfd3]::result::unwrap_failed
[INFO] [stdout]   12:     0x597c6672e649 - dfconfig[32f7db6ee22c4386]::tests::test_read_file_smoke
[INFO] [stdout]   13:     0x597c66729309 - <dfconfig[32f7db6ee22c4386]::tests::test_read_file_smoke::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   14:     0x597c6672f42b - 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:     0x597c6673ca95 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   16:     0x597c66736354 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   17:     0x597c6673fbf2 - <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:     0x597c6686fcc9 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   19:     0x71eb6b222dfa - <unknown>
[INFO] [stdout]   20:     0x71eb6b2b63d4 - clone
[INFO] [stdout]   21:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_read_file_smoke
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 11 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0", kill_on_drop: false }`
[INFO] [stdout] 20bacc44365024a2814a8d7e40cb6e91a3615e3bbac5f3b7e3d94c66c80a96d0
