[INFO] fetching crate dora 0.0.2...
[INFO] testing dora-0.0.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate dora 0.0.2 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate dora 0.0.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dora 0.0.2
[INFO] finished tweaking crates.io crate dora 0.0.2
[INFO] tweaked toml for crates.io crate dora 0.0.2 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate dora 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e74886a927652c268aaa6c5736b85091a3632f0fce2be0d144180fe80a993c4
[INFO] running `Command { std: "docker" "start" "-a" "0e74886a927652c268aaa6c5736b85091a3632f0fce2be0d144180fe80a993c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e74886a927652c268aaa6c5736b85091a3632f0fce2be0d144180fe80a993c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e74886a927652c268aaa6c5736b85091a3632f0fce2be0d144180fe80a993c4", kill_on_drop: false }`
[INFO] [stdout] 0e74886a927652c268aaa6c5736b85091a3632f0fce2be0d144180fe80a993c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27a92b199275f218e39cf9e7a8197f6cebb28e6007fb549350e3980140bf611
[INFO] running `Command { std: "docker" "start" "-a" "c27a92b199275f218e39cf9e7a8197f6cebb28e6007fb549350e3980140bf611", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling dora-parser v0.0.2
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling capstone v0.6.0
[INFO] [stdout] error[E0432]: unresolved import `core::alloc::Alloc`
[INFO] [stdout]  --> src/vtable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::alloc::Alloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ no `Alloc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/driver/cmd.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/driver/cmd.rs:224:30
[INFO] [stdout]     |
[INFO] [stdout] 224 | #[derive(Copy, Clone, Debug, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/driver/cmd.rs:234:30
[INFO] [stdout]     |
[INFO] [stdout] 234 | #[derive(Copy, Clone, Debug, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]    --> src/driver/cmd.rs:240:30
[INFO] [stdout]     |
[INFO] [stdout] 240 | #[derive(Copy, Clone, Debug, RustcDecodable)]
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: include macro expected single expression in source
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/dora-65d16449dae6b3c9/out/dora_stdlib_bundle.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 | ];
[INFO] [stdout]    |  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(incomplete_include)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/dseg.rs:56:45
[INFO] [stdout]    |
[INFO] [stdout] 56 |                         *(entry_ptr as *mut (*const u8)) = v;
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/gc/pmarking.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     .compare_and_swap(nworkers, nworkers + 1, Ordering::SeqCst);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/gc/swiper/young.rs:448:18
[INFO] [stdout]     |
[INFO] [stdout] 448 |                 .compare_and_swap(old_committed, new_committed, Ordering::SeqCst);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/object.rs:120:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 .compare_and_swap(expected_vtblptr.to_usize(), fwd, Ordering::SeqCst);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/object.rs:144:18
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 .compare_and_swap(expected_vtblptr.to_usize(), fwd, Ordering::SeqCst);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `alloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]    --> src/vtable.rs:39:28
[INFO] [stdout]     |
[INFO] [stdout] 39  |             let ptr = heap.alloc(lay).expect("could not allocate").as_ptr() as *mut VTable;
[INFO] [stdout]     |                            ^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Collector` defines an item `alloc`, perhaps you need to implement it
[INFO] [stdout]    --> src/gc.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | trait Collector {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `dealloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]   --> src/vtable.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |             heap.dealloc(ptr, lay);
[INFO] [stdout]    |                  ^^^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `alloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]    --> src/vtable.rs:172:22
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 heap.alloc(lay).expect("could not allocate").as_ptr() as *const _;
[INFO] [stdout]     |                      ^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `Collector` defines an item `alloc`, perhaps you need to implement it
[INFO] [stdout]    --> src/gc.rs:168:1
[INFO] [stdout]     |
[INFO] [stdout] 168 | trait Collector {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `dealloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]    --> src/vtable.rs:187:18
[INFO] [stdout]     |
[INFO] [stdout] 187 |             heap.dealloc(ptr, lay);
[INFO] [stdout]     |                  ^^^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dora`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c27a92b199275f218e39cf9e7a8197f6cebb28e6007fb549350e3980140bf611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27a92b199275f218e39cf9e7a8197f6cebb28e6007fb549350e3980140bf611", kill_on_drop: false }`
[INFO] [stdout] c27a92b199275f218e39cf9e7a8197f6cebb28e6007fb549350e3980140bf611
