[INFO] fetching crate pvm 0.1.0...
[INFO] testing pvm-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate pvm 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pvm 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pvm 0.1.0
[INFO] finished tweaking crates.io crate pvm 0.1.0
[INFO] tweaked toml for crates.io crate pvm 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28c3d8f8bfa9c51c511ba10523c3744dd8b7bd25dfba31a13daeceba95e16616
[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" "28c3d8f8bfa9c51c511ba10523c3744dd8b7bd25dfba31a13daeceba95e16616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28c3d8f8bfa9c51c511ba10523c3744dd8b7bd25dfba31a13daeceba95e16616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c3d8f8bfa9c51c511ba10523c3744dd8b7bd25dfba31a13daeceba95e16616", kill_on_drop: false }`
[INFO] [stdout] 28c3d8f8bfa9c51c511ba10523c3744dd8b7bd25dfba31a13daeceba95e16616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48bac9456b74d378a7128cdc9d61ce013f7df9ad8b7d8f4c826a57811eac123e
[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" "48bac9456b74d378a7128cdc9d61ce013f7df9ad8b7d8f4c826a57811eac123e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "48bac9456b74d378a7128cdc9d61ce013f7df9ad8b7d8f4c826a57811eac123e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bac9456b74d378a7128cdc9d61ce013f7df9ad8b7d8f4c826a57811eac123e", kill_on_drop: false }`
[INFO] [stdout] 48bac9456b74d378a7128cdc9d61ce013f7df9ad8b7d8f4c826a57811eac123e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ce9ff541c74fd56c8348e7955a19cf10accdc3bdbea4451fbdbdead16caf6ee
[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" "0ce9ff541c74fd56c8348e7955a19cf10accdc3bdbea4451fbdbdead16caf6ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling pvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> tests/calculator1.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/calculator1.rs:108:42
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn gen(total : usize, rng : &mut rand::Rng) -> Syntax {
[INFO] [stdout]     |                                          ^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 108 -     pub fn gen(total : usize, rng : &mut rand::Rng) -> Syntax {
[INFO] [stdout] 108 +     pub fn gen(total : usize, rng : &mut dyn rand::Rng) -> Syntax {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "0ce9ff541c74fd56c8348e7955a19cf10accdc3bdbea4451fbdbdead16caf6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ce9ff541c74fd56c8348e7955a19cf10accdc3bdbea4451fbdbdead16caf6ee", kill_on_drop: false }`
[INFO] [stdout] 0ce9ff541c74fd56c8348e7955a19cf10accdc3bdbea4451fbdbdead16caf6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5795a035a34d6203fc6d52ef72b0651d81ff6be939d6cc58b885f6ce0312b867
[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" "5795a035a34d6203fc6d52ef72b0651d81ff6be939d6cc58b885f6ce0312b867", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> tests/calculator1.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/calculator1.rs:108:42
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn gen(total : usize, rng : &mut rand::Rng) -> Syntax {
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 108 -     pub fn gen(total : usize, rng : &mut rand::Rng) -> Syntax {
[INFO] [stderr] 108 +     pub fn gen(total : usize, rng : &mut dyn rand::Rng) -> Syntax {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `pvm` (test "calculator1") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pvm-7bec657fda20d826)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test ast::tests::simple_lookahead_grammar ... ok
[INFO] [stdout] test ast::tests::simple_char_grammar_rules ... ok
[INFO] [stdout] test machine::tests::ambersand_predicate ... ok
[INFO] [stdout] test machine::tests::direct_left_recursion_with_tail ... ok
[INFO] [stdout] test machine::tests::one_or_more_chars ... ok
[INFO] [stdout] test machine::tests::direct_left_recursion ... ok
[INFO] [stdout] test machine::tests::skip_parser ... ok
[INFO] [stdout] test machine::tests::skip_parser_with_toggle ... ok
[INFO] [stdout] test machine::tests::simple_char_range ... ok
[INFO] [stdout] test machine::tests::not_predicate ... ok
[INFO] [stdout] test machine::tests::simple_subparser ... ok
[INFO] [stdout] test machine::tests::zero_or_more_chars ... ok
[INFO] [stdout] test machine::tests::char_range_links ... ok
[INFO] [stdout] test machine::tests::simple_token_stream_result ... ok
[INFO] [stdout] test ast::tests::simple_optional_subparser ... ok
[INFO] [stdout] test machine::tests::self_reference_impossible_parser ... ok
[INFO] [stdout] test parser::tests::direct_left_recursion ... ok
[INFO] [stdout] test machine::tests::simple_char ... ok
[INFO] [stdout] test machine::tests::simple_char_choice ... ok
[INFO] [stdout] test machine::tests::three_subparser ... ok
[INFO] [stdout] test ast::tests::simple_iteration_grammar ... ok
[INFO] [stdout] test machine::tests::simple_char_sequence ... ok
[INFO] [stdout] test parser::tests::parenthetical_and_lookahead ... ok
[INFO] [stdout] test machine::tests::optional_predicate ... ok
[INFO] [stdout] test machine::tests::partial_commit_zero_or_more ... ok
[INFO] [stdout] test parser::tests::simple_parentheticals ... ok
[INFO] [stdout] test parser::tests::simple_choice_grammar ... ok
[INFO] [stdout] test parser::tests::simple_char_grammar ... ok
[INFO] [stdout] test parser::tests::indirect_left_recursion ... ok
[INFO] [stdout] test parser::tests::simple_prefix_grammar ... ok
[INFO] [stdout] test parser::tests::simple_suffix_grammar ... ok
[INFO] [stdout] test parser::tests::tokenizer ... ok
[INFO] [stdout] test tests::add_multiply_variable_expression ... ok
[INFO] [stderr]      Running tests/calculator1.rs (/opt/rustwide/target/debug/deps/calculator1-bdd8c2ef20996034)
[INFO] [stdout] test parser::tests::dogfood ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test constants ... ok
[INFO] [stdout] test simple_expressions ... ok
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-77c9234317197e7e)
[INFO] [stdout] test random_expressions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.95s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests pvm
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "5795a035a34d6203fc6d52ef72b0651d81ff6be939d6cc58b885f6ce0312b867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5795a035a34d6203fc6d52ef72b0651d81ff6be939d6cc58b885f6ce0312b867", kill_on_drop: false }`
[INFO] [stdout] 5795a035a34d6203fc6d52ef72b0651d81ff6be939d6cc58b885f6ce0312b867