[INFO] fetching crate lexpar 0.1.0... [INFO] testing lexpar-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate lexpar 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate lexpar 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lexpar 0.1.0 [INFO] finished tweaking crates.io crate lexpar 0.1.0 [INFO] tweaked toml for crates.io crate lexpar 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4db02d0a99a6bcdeb52e96cd61ceca2b3e580e25e2593768017622eea104bd8 [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" "a4db02d0a99a6bcdeb52e96cd61ceca2b3e580e25e2593768017622eea104bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4db02d0a99a6bcdeb52e96cd61ceca2b3e580e25e2593768017622eea104bd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4db02d0a99a6bcdeb52e96cd61ceca2b3e580e25e2593768017622eea104bd8", kill_on_drop: false }` [INFO] [stdout] a4db02d0a99a6bcdeb52e96cd61ceca2b3e580e25e2593768017622eea104bd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 546eb1b4168d46296dd8d97128609573363722efe2560395fda858fc3850267b [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" "546eb1b4168d46296dd8d97128609573363722efe2560395fda858fc3850267b", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling lexpar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> src/lexer.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> src/lexer.rs:117:41 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.12s [INFO] running `Command { std: "docker" "inspect" "546eb1b4168d46296dd8d97128609573363722efe2560395fda858fc3850267b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "546eb1b4168d46296dd8d97128609573363722efe2560395fda858fc3850267b", kill_on_drop: false }` [INFO] [stdout] 546eb1b4168d46296dd8d97128609573363722efe2560395fda858fc3850267b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b81d7da7c265fa44e165753f7db983d0fb456ac5f382220fbdf8f13f003d1f9 [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" "7b81d7da7c265fa44e165753f7db983d0fb456ac5f382220fbdf8f13f003d1f9", kill_on_drop: false }` [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> src/lexer.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> src/lexer.rs:117:41 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lexpar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> src/lexer.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> src/lexer.rs:117:41 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> examples/rust_family/parser/ast.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | expr: Box [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Ast` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> examples/rust_family/parser/mod.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | unsafe { acc.push(::std::mem::uninitialized()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/ml_family/parser/ast.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | expr: Box [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Ast` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:31:28 [INFO] [stdout] | [INFO] [stdout] 31 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:102:28 [INFO] [stdout] | [INFO] [stdout] 102 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:150:28 [INFO] [stdout] | [INFO] [stdout] 150 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:243:28 [INFO] [stdout] | [INFO] [stdout] 243 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:309:32 [INFO] [stdout] | [INFO] [stdout] 309 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:408:32 [INFO] [stdout] | [INFO] [stdout] 408 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:438:32 [INFO] [stdout] | [INFO] [stdout] 438 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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] --> tests/parser.rs:489:32 [INFO] [stdout] | [INFO] [stdout] 489 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `AstNode` does not permit being left uninitialized [INFO] [stdout] --> examples/rust_family/parser/mod.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | unsafe { acc.push(::std::mem::uninitialized()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `Box` must be non-null (in this struct field) [INFO] [stdout] --> examples/rust_family/parser/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | expr: Box [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "7b81d7da7c265fa44e165753f7db983d0fb456ac5f382220fbdf8f13f003d1f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b81d7da7c265fa44e165753f7db983d0fb456ac5f382220fbdf8f13f003d1f9", kill_on_drop: false }` [INFO] [stdout] 7b81d7da7c265fa44e165753f7db983d0fb456ac5f382220fbdf8f13f003d1f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1415ad055ce0ef37241ac603670d959ceb4b26be648cfd9f58d92d7eea13430f [INFO] running `Command { std: "docker" "start" "-a" "1415ad055ce0ef37241ac603670d959ceb4b26be648cfd9f58d92d7eea13430f", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:55:18 [INFO] [stderr] | [INFO] [stderr] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:117:41 [INFO] [stderr] | [INFO] [stderr] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:48:17 [INFO] [stderr] | [INFO] [stderr] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:55:18 [INFO] [stderr] | [INFO] [stderr] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lexer.rs:117:41 [INFO] [stderr] | [INFO] [stderr] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:31:28 [INFO] [stderr] | [INFO] [stderr] 31 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:69:28 [INFO] [stderr] | [INFO] [stderr] 69 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:102:28 [INFO] [stderr] | [INFO] [stderr] 102 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:150:28 [INFO] [stderr] | [INFO] [stderr] 150 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:243:28 [INFO] [stderr] | [INFO] [stderr] 243 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:309:32 [INFO] [stderr] | [INFO] [stderr] 309 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:408:32 [INFO] [stderr] | [INFO] [stderr] 408 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:438:32 [INFO] [stderr] | [INFO] [stderr] 438 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> tests/parser.rs:489:32 [INFO] [stderr] | [INFO] [stderr] 489 | let parse = |iter: Box>| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/ml_family/parser/ast.rs:9:15 [INFO] [stderr] | [INFO] [stderr] 9 | expr: Box [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Ast` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> examples/rust_family/parser/ast.rs:9:15 [INFO] [stderr] | [INFO] [stderr] 9 | expr: Box [INFO] [stderr] | ^^^ help: use `dyn`: `dyn Ast` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> examples/rust_family/parser/mod.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | unsafe { acc.push(::std::mem::uninitialized()) } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the type `AstNode` does not permit being left uninitialized [INFO] [stderr] --> examples/rust_family/parser/mod.rs:142:31 [INFO] [stderr] | [INFO] [stderr] 142 | unsafe { acc.push(::std::mem::uninitialized()) } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] note: `Box` must be non-null (in this struct field) [INFO] [stderr] --> examples/rust_family/parser/ast.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | expr: Box [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lexpar-93fdc7978be1c544) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/lexer.rs (/opt/rustwide/target/debug/deps/lexer-74faf7bacee70940) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test unknown_token ... ok [INFO] [stdout] test some_tokens ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/parser.rs (/opt/rustwide/target/debug/deps/parser-dd5534dbb31203fa) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test looping::parser7_kleene_star ... ok [INFO] [stdout] test looping::parser9_fold_fn_args ... ok [INFO] [stdout] test parser2_nonterm_call ... ok [INFO] [stdout] test parser3_epsilon_and_trailing_commas ... ok [INFO] [stdout] test parser4_custom_handler ... ok [INFO] [stdout] test parser5_nonterm_as_first_rule ... ok [INFO] [stdout] test parser6_recursive_grammar ... ok [INFO] [stdout] test precedence::parser9_binop_infix_precedence_syntax ... ok [INFO] [stdout] test parser1_ok_eof_unexpected ... ok [INFO] [stderr] Doc-tests lexpar [INFO] [stdout] test looping::parser8_fn_args ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test src/parser.rs - parser (line 122) ... ignored [INFO] [stdout] test src/parser.rs - parser (line 527) ... ignored [INFO] [stdout] test src/parser.rs - parser (line 93) ... ok [INFO] [stdout] test src/parser.rs - parser (line 138) ... ok [INFO] [stdout] test src/parser.rs - parser (line 63) ... ok [INFO] [stdout] test src/parser.rs - parse_rules (line 607) ... ok [INFO] [stdout] test src/parser.rs - parser (line 106) ... ok [INFO] [stdout] test src/parser.rs - parser (line 261) ... ok [INFO] [stdout] test src/parser.rs - parser (line 294) ... ok [INFO] [stdout] test src/parser.rs - parser (line 440) ... ok [INFO] [stdout] test src/parser.rs - parser (line 181) ... ok [INFO] [stdout] test src/parser.rs - parser (line 329) ... ok [INFO] [stdout] test src/parser.rs - parser (line 491) ... ok [INFO] [stdout] test src/parser.rs - parser (line 465) ... ok [INFO] [stdout] test src/parser.rs - parser (line 168) ... ok [INFO] [stdout] test src/parser.rs - parser (line 378) ... ok [INFO] [stdout] test src/parser.rs - parser (line 225) ... ok [INFO] [stdout] test src/lexer.rs - lexer::Lexer (line 79) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 3.17s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1415ad055ce0ef37241ac603670d959ceb4b26be648cfd9f58d92d7eea13430f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1415ad055ce0ef37241ac603670d959ceb4b26be648cfd9f58d92d7eea13430f", kill_on_drop: false }` [INFO] [stdout] 1415ad055ce0ef37241ac603670d959ceb4b26be648cfd9f58d92d7eea13430f