[INFO] cloning repository https://github.com/matklad/compilers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/compilers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fcompilers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fcompilers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 72d3c92c8f726c582ddf6ef8ce677559ec320035 [INFO] testing matklad/compilers against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fcompilers" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/matklad/compilers 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 git repo https://github.com/matklad/compilers [INFO] finished tweaking git repo https://github.com/matklad/compilers [INFO] tweaked toml for git repo https://github.com/matklad/compilers written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/matklad/compilers already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 75bd3af308082d2b362b82242d1fae38de47d24836843367a9baecb5785e8175 [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" "75bd3af308082d2b362b82242d1fae38de47d24836843367a9baecb5785e8175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75bd3af308082d2b362b82242d1fae38de47d24836843367a9baecb5785e8175", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75bd3af308082d2b362b82242d1fae38de47d24836843367a9baecb5785e8175", kill_on_drop: false }` [INFO] [stdout] 75bd3af308082d2b362b82242d1fae38de47d24836843367a9baecb5785e8175 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 273adbd505dfa014d7355aab7b2577362a11d510860b0ff70ef5b704e25c60d2 [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" "273adbd505dfa014d7355aab7b2577362a11d510860b0ff70ef5b704e25c60d2", kill_on_drop: false }` [INFO] [stderr] Compiling data_structures v0.1.0 (/opt/rustwide/workdir/data_structures) [INFO] [stderr] Compiling runtime v0.1.0 (/opt/rustwide/workdir/pyt/runtime) [INFO] [stderr] Compiling syntax v0.1.0 (/opt/rustwide/workdir/syntax) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> syntax/src/token.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | pub type Tokenizer = Fn(&mut TokenBuilder); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut TokenBuilder)` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> syntax/src/token.rs:99:60 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn try_pred_token(&mut self, tokens: &[(NodeType, &Fn(char) -> bool)]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> syntax/src/rst/mod.rs:175:19 [INFO] [stdout] | [INFO] [stdout] 175 | pub type Parser = Fn(&mut RstBuilder); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut RstBuilder)` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling frontend v0.1.0 (/opt/rustwide/workdir/pyt/frontend) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> pyt/frontend/src/tokenizer.rs:11:36 [INFO] [stdout] | [INFO] [stdout] 11 | let pred_tokens: &[(NodeType, &Fn(char) -> bool)] = &[ [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `tokenize` [INFO] [stdout] --> pyt/frontend/src/tokenizer.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn tokenize(builder: &mut TokenBuilder) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse` [INFO] [stdout] --> pyt/frontend/src/parser.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn parse(builder: &mut RstBuilder) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_stmt` [INFO] [stdout] --> pyt/frontend/src/parser.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn parse_stmt(builder: &mut RstBuilder) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_expr` [INFO] [stdout] --> pyt/frontend/src/parser.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn parse_expr(builder: &mut RstBuilder) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> pyt/runtime/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(lang_items)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: language item required, but not found: `eh_personality` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `#[panic_handler]` function required, but not found [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `runtime` due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "273adbd505dfa014d7355aab7b2577362a11d510860b0ff70ef5b704e25c60d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "273adbd505dfa014d7355aab7b2577362a11d510860b0ff70ef5b704e25c60d2", kill_on_drop: false }` [INFO] [stdout] 273adbd505dfa014d7355aab7b2577362a11d510860b0ff70ef5b704e25c60d2