[INFO] fetching crate libcodejam 0.2.0... [INFO] testing libcodejam-0.2.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate libcodejam 0.2.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate libcodejam 0.2.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate libcodejam 0.2.0 [INFO] finished tweaking crates.io crate libcodejam 0.2.0 [INFO] tweaked toml for crates.io crate libcodejam 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stable_deref_trait v1.2.0 [INFO] [stderr] Downloaded owning_ref v0.4.1 [INFO] [stderr] Downloaded lock_api v0.1.5 [INFO] [stderr] Downloaded parking_lot_core v0.3.1 [INFO] [stderr] Downloaded crossbeam-channel v0.2.6 [INFO] [stderr] Downloaded derive_more v0.11.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.5.2 [INFO] [stderr] Downloaded parking_lot v0.6.4 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded crossbeam v0.4.1 [INFO] [stderr] Downloaded ordered-float v1.1.1 [INFO] [stderr] Downloaded crossbeam-deque v0.5.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91143a8941adb95868813c9548a4c02bc91d0531768286d1332e39f412b7652f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "91143a8941adb95868813c9548a4c02bc91d0531768286d1332e39f412b7652f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91143a8941adb95868813c9548a4c02bc91d0531768286d1332e39f412b7652f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91143a8941adb95868813c9548a4c02bc91d0531768286d1332e39f412b7652f", kill_on_drop: false }` [INFO] [stdout] 91143a8941adb95868813c9548a4c02bc91d0531768286d1332e39f412b7652f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b83a33a8dfaa268da77297aa64c40212f042e0d37a7307eb356fdb697785af6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5b83a33a8dfaa268da77297aa64c40212f042e0d37a7307eb356fdb697785af6", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling ordered-float v1.1.1 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling crossbeam-deque v0.5.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-channel v0.2.6 [INFO] [stderr] Compiling crossbeam v0.4.1 [INFO] [stderr] Compiling derive_more v0.11.0 [INFO] [stderr] Compiling libcodejam v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(trusted_len)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/global.rs:28:32 [INFO] [stdout] | [INFO] [stdout] 28 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/group.rs:37:32 [INFO] [stdout] | [INFO] [stdout] 37 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/group.rs:111:16 [INFO] [stdout] | [INFO] [stdout] 111 | error: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/group.rs:134:32 [INFO] [stdout] | [INFO] [stdout] 134 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/group.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | error: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/data/group.rs:201:32 [INFO] [stdout] | [INFO] [stdout] 201 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/executor.rs:60:32 [INFO] [stdout] | [INFO] [stdout] 60 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/executor.rs:101:32 [INFO] [stdout] | [INFO] [stdout] 101 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tokens.rs:31:32 [INFO] [stdout] | [INFO] [stdout] 31 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tokens.rs:57:32 [INFO] [stdout] | [INFO] [stdout] 57 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `(): std::error::Error` is not satisfied [INFO] [stdout] --> src/data/group.rs:142:9 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn new(index: usize, error: E) -> Self { [INFO] [stdout] | ----- required by this bound in `TupleGroupError::new` [INFO] [stdout] ... [INFO] [stdout] 142 | TupleGroupError::new(0, err) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0554. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libcodejam` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "5b83a33a8dfaa268da77297aa64c40212f042e0d37a7307eb356fdb697785af6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b83a33a8dfaa268da77297aa64c40212f042e0d37a7307eb356fdb697785af6", kill_on_drop: false }` [INFO] [stdout] 5b83a33a8dfaa268da77297aa64c40212f042e0d37a7307eb356fdb697785af6