[INFO] fetching crate scc 0.5.6...
[INFO] checking scc-0.5.6 against 1.55.0 for beta-1.56-3
[INFO] extracting crate scc 0.5.6 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate scc 0.5.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scc 0.5.6
[INFO] finished tweaking crates.io crate scc 0.5.6
[INFO] tweaked toml for crates.io crate scc 0.5.6 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80342c8c824e3fc1182c125b54e87d2539e46958114cff24dc8531ba8a143c02
[INFO] running `Command { std: "docker" "start" "-a" "80342c8c824e3fc1182c125b54e87d2539e46958114cff24dc8531ba8a143c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80342c8c824e3fc1182c125b54e87d2539e46958114cff24dc8531ba8a143c02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80342c8c824e3fc1182c125b54e87d2539e46958114cff24dc8531ba8a143c02", kill_on_drop: false }`
[INFO] [stdout] 80342c8c824e3fc1182c125b54e87d2539e46958114cff24dc8531ba8a143c02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e89ec0b1e8dd94f5b2da3db77f554251b9badd89b56aa2f07809f499e5b78ad
[INFO] running `Command { std: "docker" "start" "-a" "9e89ec0b1e8dd94f5b2da3db77f554251b9badd89b56aa2f07809f499e5b78ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking scc v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `loom`
[INFO] [stdout]  --> src/tests/model.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use loom::sync::atomic::fence;
[INFO] [stdout]   |         ^^^^ use of undeclared crate or module `loom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `loom`
[INFO] [stdout]  --> src/tests/model.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use loom::sync::atomic::{AtomicBool, AtomicU8};
[INFO] [stdout]   |         ^^^^ use of undeclared crate or module `loom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `loom`
[INFO] [stdout]   --> src/tests/model.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 loom::thread::spawn(move || {
[INFO] [stdout]    |                 ^^^^ use of undeclared crate or module `loom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicU8` in this scope
[INFO] [stdout]   --> src/tests/model.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |         state: AtomicU8,
[INFO] [stdout]    |                ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::ebr::collector::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicU8` in this scope
[INFO] [stdout]   --> src/tests/model.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fn new_barrier(&self, epoch: &AtomicU8, ptr: &ModelPointer) {
[INFO] [stdout]    |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::ebr::collector::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fence` in this scope
[INFO] [stdout]   --> src/tests/model.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             fence(SeqCst);
[INFO] [stdout]    |             ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::fence;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::common::cell::fence;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::fence;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicU8` in this scope
[INFO] [stdout]   --> src/tests/model.rs:43:39
[INFO] [stdout]    |
[INFO] [stdout] 43 |         fn end_barrier(&self, epoch: &AtomicU8, ptr: &ModelPointer, other: &ModelCollector) {
[INFO] [stdout]    |                                       ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::ebr::collector::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `fence` in this scope
[INFO] [stdout]   --> src/tests/model.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 fence(SeqCst);
[INFO] [stdout]    |                 ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::fence;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::common::cell::fence;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::fence;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `AtomicU8`
[INFO] [stdout]   --> src/tests/model.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 state: AtomicU8::new(1),
[INFO] [stdout]    |                        ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::ebr::collector::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicBool` in this scope
[INFO] [stdout]   --> src/tests/model.rs:75:22
[INFO] [stdout]    |
[INFO] [stdout] 75 |         unreachable: AtomicBool,
[INFO] [stdout]    |                      ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::tests::correctness::treeindex_test::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicBool` in this scope
[INFO] [stdout]   --> src/tests/model.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         reclaimed: AtomicBool,
[INFO] [stdout]    |                    ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::tests::correctness::treeindex_test::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicBool;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `loom`
[INFO] [stdout]   --> src/tests/model.rs:83:38
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut model = loom::model::Builder::new();
[INFO] [stdout]    |                                      ^^^^^^^ not found in `loom::model`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::thread::Builder;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `AtomicU8` in this scope
[INFO] [stdout]   --> src/tests/model.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |             let epoch: Arc<AtomicU8> = Arc::default();
[INFO] [stdout]    |                            ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use core::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use crate::ebr::collector::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 3  |     use std::sync::atomic::AtomicU8;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/tests/model.rs:75:9
[INFO] [stdout]     |
[INFO] [stdout] 73  |     #[derive(Default)]
[INFO] [stdout]     |              ------- in this derive macro expansion
[INFO] [stdout] 74  |     struct ModelPointer {
[INFO] [stdout] 75  |         unreachable: AtomicBool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Default`
[INFO] [stdout] note: required by `std::default::Default::default`
[INFO] [stdout]     = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scc` due to 15 previous errors
[INFO] running `Command { std: "docker" "inspect" "9e89ec0b1e8dd94f5b2da3db77f554251b9badd89b56aa2f07809f499e5b78ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e89ec0b1e8dd94f5b2da3db77f554251b9badd89b56aa2f07809f499e5b78ad", kill_on_drop: false }`
[INFO] [stdout] 9e89ec0b1e8dd94f5b2da3db77f554251b9badd89b56aa2f07809f499e5b78ad
