[INFO] fetching crate bf 0.4.8... [INFO] testing bf-0.4.8 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate bf 0.4.8 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate bf 0.4.8 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bf 0.4.8 [INFO] finished tweaking crates.io crate bf 0.4.8 [INFO] tweaked toml for crates.io crate bf 0.4.8 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded semver v0.4.1 [INFO] [stderr] Downloaded semver-parser v0.6.2 [INFO] [stderr] Downloaded llvm-sys v38.3.0 [INFO] [stderr] Downloaded dynasm v0.2.3 [INFO] [stderr] Downloaded owning_ref v0.3.3 [INFO] [stderr] Downloaded dynasmrt v0.2.3 [INFO] [stderr] Downloaded memmap v0.6.2 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c4cc9f8891f8f3597c9a621a2618e527352e2cd766086e5c34d76a1ffeae9419 [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" "c4cc9f8891f8f3597c9a621a2618e527352e2cd766086e5c34d76a1ffeae9419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4cc9f8891f8f3597c9a621a2618e527352e2cd766086e5c34d76a1ffeae9419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4cc9f8891f8f3597c9a621a2618e527352e2cd766086e5c34d76a1ffeae9419", kill_on_drop: false }` [INFO] [stdout] c4cc9f8891f8f3597c9a621a2618e527352e2cd766086e5c34d76a1ffeae9419 [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=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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21e202e8754f63b9d933da4034c456dda0dbe4cae744771d15b3d7aa5c09ca88 [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" "21e202e8754f63b9d933da4034c456dda0dbe4cae744771d15b3d7aa5c09ca88", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling bf v0.4.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rts.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | input: &'a mut Read, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [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/rts.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | output: &'a mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.77s [INFO] running `Command { std: "docker" "inspect" "21e202e8754f63b9d933da4034c456dda0dbe4cae744771d15b3d7aa5c09ca88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21e202e8754f63b9d933da4034c456dda0dbe4cae744771d15b3d7aa5c09ca88", kill_on_drop: false }` [INFO] [stdout] 21e202e8754f63b9d933da4034c456dda0dbe4cae744771d15b3d7aa5c09ca88 [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=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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4ce0b65220023aaebc068b44a8c86e36847d8303d1b5f6218339625955f8d6e [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" "d4ce0b65220023aaebc068b44a8c86e36847d8303d1b5f6218339625955f8d6e", kill_on_drop: false }` [INFO] [stderr] Compiling bf v0.4.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rts.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | input: &'a mut Read, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [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/rts.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | output: &'a mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rts.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | input: &'a mut Read, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [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/rts.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | output: &'a mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [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 item `parse_program` is imported redundantly [INFO] [stdout] --> src/ast/interpreter.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 59 | use super::*; [INFO] [stdout] | -------- the item `parse_program` is already imported here [INFO] [stdout] ... [INFO] [stdout] 109 | use super::super::parser::parse_program; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "d4ce0b65220023aaebc068b44a8c86e36847d8303d1b5f6218339625955f8d6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4ce0b65220023aaebc068b44a8c86e36847d8303d1b5f6218339625955f8d6e", kill_on_drop: false }` [INFO] [stdout] d4ce0b65220023aaebc068b44a8c86e36847d8303d1b5f6218339625955f8d6e [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=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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 27fd26f21d39811d8a12bbb12a7ccebb2f50118793b84ce547a3f48044a7c04e [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" "27fd26f21d39811d8a12bbb12a7ccebb2f50118793b84ce547a3f48044a7c04e", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 38 tests [INFO] [stderr] --> src/rts.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | input: &'a mut Read, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [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/rts.rs:30:21 [INFO] [stderr] | [INFO] [stderr] 30 | output: &'a mut Write, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [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: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/rts.rs:28:21 [INFO] [stderr] | [INFO] [stderr] 28 | input: &'a mut Read, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [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/rts.rs:30:21 [INFO] [stderr] | [INFO] [stderr] 30 | output: &'a mut Write, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [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: the item `parse_program` is imported redundantly [INFO] [stderr] --> src/ast/interpreter.rs:109:13 [INFO] [stderr] | [INFO] [stderr] 59 | use super::*; [INFO] [stderr] | -------- the item `parse_program` is already imported here [INFO] [stderr] ... [INFO] [stderr] 109 | use super::super::parser::parse_program; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [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/bf-cc72a20d90e3e431) [INFO] [stdout] test ast::parser::tests::empty_loop_parses ... ok [INFO] [stdout] test ast::parser::tests::comment_is_ignored ... ok [INFO] [stdout] test ast::parser::tests::all_comment_program_parses ... ok [INFO] [stdout] test ast::parser::tests::multiple_instructions_parse ... ok [INFO] [stdout] test ast::parser::tests::trailing_comment_is_ignored ... ok [INFO] [stdout] test ast::parser::tests::empty_program_parses ... ok [INFO] [stdout] test ast::parser::tests::right_bracket_without_left_is_error ... ok [INFO] [stdout] test ast::parser::tests::non_empty_loop_parses ... ok [INFO] [stdout] test ast::parser::tests::left_bracket_without_right_is_error ... ok [INFO] [stdout] test rle::interpreter::tests::hello_world ... ok [INFO] [stdout] test state::tests::load_reads ... ok [INFO] [stdout] test state::tests::right_moves_right ... ok [INFO] [stdout] test state::tests::down_goes_to_255 ... ok [INFO] [stdout] test state::tests::longer_sequence_of_actions ... ok [INFO] [stdout] test state::tests::right_to_right_edge_is_okay ... ok [INFO] [stdout] test state::tests::right_then_left_restores ... ok [INFO] [stdout] test bytecode::interpreter::tests::hello_world ... ok [INFO] [stdout] test rle::compiler::tests::three_rights_compile ... ok [INFO] [stdout] test ast::parser::tests::single_byte_instructions_parse ... ok [INFO] [stdout] test rle::compiler::tests::right_compiles ... ok [INFO] [stdout] test rle::compiler::tests::loop_compiles ... ok [INFO] [stdout] test rle::compiler::tests::two_rights_two_ups_compile ... ok [INFO] [stdout] test state::tests::store_writes ... ok [INFO] [stdout] test ast::interpreter::tests::assert_output_1 ... ok [INFO] [stdout] test ast::parser::tests::nested_loops_parse ... ok [INFO] [stdout] test state::tests::up_goes_to_1 ... ok [INFO] [stdout] test bytecode::interpreter::tests::factoring ... ok [INFO] [stdout] test ast::interpreter::tests::assert_increment_input ... ok [INFO] [stdout] test ast::interpreter::tests::assert_output_0 ... ok [INFO] [stdout] test peephole::interpreter::tests::hello_world ... ok [INFO] [stdout] test ast::interpreter::tests::assert_no_output ... ok [INFO] [stdout] test ast::interpreter::tests::hello_world ... ok [INFO] [stdout] test ast::interpreter::tests::assert_increment_loop ... ok [INFO] [stdout] test peephole::interpreter::tests::factoring ... ok [INFO] [stdout] test state::tests::right_past_edge_is_error ... ok [INFO] [stdout] test state::tests::move_left_is_error ... ok [INFO] [stdout] test rle::interpreter::tests::factoring ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bfi-4cdc9de9ae4e7d00) [INFO] [stdout] test ast::interpreter::tests::factoring ... ok [INFO] [stderr] Doc-tests bf [INFO] [stdout] [INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [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] [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] running `Command { std: "docker" "inspect" "27fd26f21d39811d8a12bbb12a7ccebb2f50118793b84ce547a3f48044a7c04e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27fd26f21d39811d8a12bbb12a7ccebb2f50118793b84ce547a3f48044a7c04e", kill_on_drop: false }` [INFO] [stdout] 27fd26f21d39811d8a12bbb12a7ccebb2f50118793b84ce547a3f48044a7c04e