[INFO] crate pvm 0.1.0 is already in cache
[INFO] testing pvm-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate pvm 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pvm 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6d97339e808939016f78d3868b7cae5ccbd653b4f20f2d9dea3246a41c5f278
[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" "a6d97339e808939016f78d3868b7cae5ccbd653b4f20f2d9dea3246a41c5f278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6d97339e808939016f78d3868b7cae5ccbd653b4f20f2d9dea3246a41c5f278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d97339e808939016f78d3868b7cae5ccbd653b4f20f2d9dea3246a41c5f278", kill_on_drop: false }`
[INFO] [stdout] a6d97339e808939016f78d3868b7cae5ccbd653b4f20f2d9dea3246a41c5f278
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a18187c8af28276be5440a8155ac5374e03575c88aa20bde6e2829e9aafe067
[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" "1a18187c8af28276be5440a8155ac5374e03575c88aa20bde6e2829e9aafe067", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "1a18187c8af28276be5440a8155ac5374e03575c88aa20bde6e2829e9aafe067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a18187c8af28276be5440a8155ac5374e03575c88aa20bde6e2829e9aafe067", kill_on_drop: false }`
[INFO] [stdout] 1a18187c8af28276be5440a8155ac5374e03575c88aa20bde6e2829e9aafe067
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc08f291720001376e48e3683f79496d1955886252bc9bd0f37f5cafbbb8cb9
[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" "0fc08f291720001376e48e3683f79496d1955886252bc9bd0f37f5cafbbb8cb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[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]     |                                          ^^^^^^^^^ help: use `dyn`: `dyn rand::Rng`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.44s
[INFO] running `Command { std: "docker" "inspect" "0fc08f291720001376e48e3683f79496d1955886252bc9bd0f37f5cafbbb8cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc08f291720001376e48e3683f79496d1955886252bc9bd0f37f5cafbbb8cb9", kill_on_drop: false }`
[INFO] [stdout] 0fc08f291720001376e48e3683f79496d1955886252bc9bd0f37f5cafbbb8cb9
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1071c1e1eca71710dd224e0bc17e3189c331ba65fa7716169911ca038c322cc9
[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" "1071c1e1eca71710dd224e0bc17e3189c331ba65fa7716169911ca038c322cc9", 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]     |                                          ^^^^^^^^^ help: use `dyn`: `dyn rand::Rng`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pvm-4f3622ba3f6daccc
[INFO] [stdout] running 34 tests
[INFO] [stdout] test machine::tests::partial_commit_zero_or_more ... ok
[INFO] [stdout] test machine::tests::self_reference_impossible_parser ... ok
[INFO] [stdout] test machine::tests::simple_char ... ok
[INFO] [stdout] test machine::tests::simple_char_choice ... ok
[INFO] [stdout] test machine::tests::simple_char_range ... ok
[INFO] [stdout] test machine::tests::simple_token_stream_result ... ok
[INFO] [stdout] test machine::tests::skip_parser_with_toggle ... ok
[INFO] [stdout] test machine::tests::direct_left_recursion ... ok
[INFO] [stdout] test machine::tests::optional_predicate ... ok
[INFO] [stdout] test machine::tests::not_predicate ... ok
[INFO] [stdout] test machine::tests::direct_left_recursion_with_tail ... ok
[INFO] [stdout] test machine::tests::three_subparser ... ok
[INFO] [stdout] test machine::tests::one_or_more_chars ... ok
[INFO] [stdout] test machine::tests::skip_parser ... ok
[INFO] [stdout] test machine::tests::char_range_links ... ok
[INFO] [stdout] test machine::tests::simple_char_sequence ... ok
[INFO] [stdout] test ast::tests::simple_optional_subparser ... ok
[INFO] [stdout] test parser::tests::simple_parentheticals ... ok
[INFO] [stdout] test ast::tests::simple_lookahead_grammar ... ok
[INFO] [stdout] test parser::tests::simple_prefix_grammar ... ok
[INFO] [stdout] test machine::tests::zero_or_more_chars ... ok
[INFO] [stdout] test parser::tests::simple_suffix_grammar ... ok
[INFO] [stdout] test parser::tests::tokenizer ... ok
[INFO] [stdout] test machine::tests::ambersand_predicate ... ok
[INFO] [stdout] test parser::tests::parenthetical_and_lookahead ... ok
[INFO] [stdout] test machine::tests::simple_subparser ... ok
[INFO] [stdout] test parser::tests::simple_choice_grammar ... ok
[INFO] [stdout] test parser::tests::direct_left_recursion ... ok
[INFO] [stdout] test parser::tests::simple_char_grammar ... ok
[INFO] [stdout] test ast::tests::simple_iteration_grammar ... ok
[INFO] [stdout] test ast::tests::simple_char_grammar_rules ... ok
[INFO] [stdout] test tests::add_multiply_variable_expression ... ok
[INFO] [stdout] test parser::tests::indirect_left_recursion ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calculator1-2158a9199e4905bd
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test constants ... ok
[INFO] [stdout] test simple_expressions ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-aecd2faaff73e38e
[INFO] [stdout] test random_expressions ... ok
[INFO] [stderr]    Doc-tests pvm
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1071c1e1eca71710dd224e0bc17e3189c331ba65fa7716169911ca038c322cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1071c1e1eca71710dd224e0bc17e3189c331ba65fa7716169911ca038c322cc9", kill_on_drop: false }`
[INFO] [stdout] 1071c1e1eca71710dd224e0bc17e3189c331ba65fa7716169911ca038c322cc9