[INFO] fetching crate evalexpr 7.2.0...
[INFO] testing evalexpr-7.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate evalexpr 7.2.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate evalexpr 7.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evalexpr 7.2.0
[INFO] finished tweaking crates.io crate evalexpr 7.2.0
[INFO] tweaked toml for crates.io crate evalexpr 7.2.0 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9cf7bb6b41d009dac7b8584e04d5a9f45c10f34d5d617f8dc951f0d4695bf24
[INFO] running `Command { std: "docker" "start" "-a" "b9cf7bb6b41d009dac7b8584e04d5a9f45c10f34d5d617f8dc951f0d4695bf24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9cf7bb6b41d009dac7b8584e04d5a9f45c10f34d5d617f8dc951f0d4695bf24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cf7bb6b41d009dac7b8584e04d5a9f45c10f34d5d617f8dc951f0d4695bf24", kill_on_drop: false }`
[INFO] [stdout] b9cf7bb6b41d009dac7b8584e04d5a9f45c10f34d5d617f8dc951f0d4695bf24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c4b189a801a1e3f17ed12aeab6e38a03a86939fa0cda95fb67b9bb92ef6105
[INFO] running `Command { std: "docker" "start" "-a" "31c4b189a801a1e3f17ed12aeab6e38a03a86939fa0cda95fb67b9bb92ef6105", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling evalexpr v7.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/tree/iter.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     self.stack.pop().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "31c4b189a801a1e3f17ed12aeab6e38a03a86939fa0cda95fb67b9bb92ef6105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c4b189a801a1e3f17ed12aeab6e38a03a86939fa0cda95fb67b9bb92ef6105", kill_on_drop: false }`
[INFO] [stdout] 31c4b189a801a1e3f17ed12aeab6e38a03a86939fa0cda95fb67b9bb92ef6105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f834b9c0d6cb34a5c0af3156bbb816aa8b88f900628e209fe2d1859f28762c9d
[INFO] running `Command { std: "docker" "start" "-a" "f834b9c0d6cb34a5c0af3156bbb816aa8b88f900628e209fe2d1859f28762c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/tree/iter.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     self.stack.pop().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ron v0.7.0
[INFO] [stderr]    Compiling evalexpr v7.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::slice::Iter` that must be used
[INFO] [stdout]   --> src/tree/iter.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     self.stack.pop().unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.17s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/evalexpr-e53bb9eb9839f307)
[INFO] [stderr]   Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9f2a71f8a5c67a27)
[INFO] [stderr]   Executable tests/regex.rs (/opt/rustwide/target/debug/deps/regex-894bbe8886ac61f4)
[INFO] [stderr]   Executable tests/serde.rs (/opt/rustwide/target/debug/deps/serde-05d58ae4561bcef2)
[INFO] running `Command { std: "docker" "inspect" "f834b9c0d6cb34a5c0af3156bbb816aa8b88f900628e209fe2d1859f28762c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f834b9c0d6cb34a5c0af3156bbb816aa8b88f900628e209fe2d1859f28762c9d", kill_on_drop: false }`
[INFO] [stdout] f834b9c0d6cb34a5c0af3156bbb816aa8b88f900628e209fe2d1859f28762c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0255eb0307a71abba751bd7fac30cf87407ea6cba8a60128af2639428d7d2517
[INFO] running `Command { std: "docker" "start" "-a" "0255eb0307a71abba751bd7fac30cf87407ea6cba8a60128af2639428d7d2517", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused `std::slice::Iter` that must be used
[INFO] [stderr]   --> src/tree/iter.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |                     self.stack.pop().unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr] warning: `evalexpr` (lib) generated 1 warning
[INFO] [stderr] warning: `evalexpr` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/evalexpr-e53bb9eb9839f307)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test error::tests::trivial_coverage_tests ... ok
[INFO] [stdout] test token::tests::test_partial_token_display ... ok
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-9f2a71f8a5c67a27)
[INFO] [stdout] test value::tests::test_value_checks ... ok
[INFO] [stdout] test value::tests::test_value_conversions ... ok
[INFO] [stdout] test token::tests::test_token_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test test_arithmetic_precedence_examples ... ok
[INFO] [stdout] test test_binary_examples ... ok
[INFO] [stdout] test test_assignment ... ok
[INFO] [stdout] test test_boolean_examples ... ok
[INFO] [stdout] test test_braced_examples ... ok
[INFO] [stdout] test test_empty_context ... ok
[INFO] [stdout] test test_capturing_functions ... ok
[INFO] [stdout] test test_error_constructors ... ok
[INFO] [stdout] test test_expression_chaining ... ok
[INFO] [stdout] test test_errors ... ok
[INFO] [stdout] test test_functions ... ok
[INFO] [stdout] test test_hashmap_context_clone_debug ... ok
[INFO] [stdout] test test_iterators ... ok
[INFO] [stdout] test test_hashmap_context_type_safety ... ok
[INFO] [stdout] test test_mod_examples ... ok
[INFO] [stdout] test test_implicit_context ... ok
[INFO] [stdout] test test_no_panic ... ok
[INFO] [stdout] test test_n_ary_functions ... ok
[INFO] [stdout] test test_string_escaping ... ok
[INFO] [stdout] test test_parenthese_combinations ... ok
[INFO] [stdout] test test_shortcut_functions ... ok
[INFO] [stdout] test test_pow_examples ... ok
[INFO] [stdout] test test_long_expression_i89 ... ok
[INFO] [stdout] test test_same_operator_chains ... ok
[INFO] [stdout] test test_strings ... ok
[INFO] [stdout] test test_operator_assignments ... ok
[INFO] [stdout] test test_type_errors_in_binary_operators ... ok
[INFO] [stdout] test test_builtin_functions ... ok
[INFO] [stdout] test test_tuple_definitions ... ok
[INFO] [stdout] test test_unary_examples ... ok
[INFO] [stdout] test test_value_type ... ok
[INFO] [stdout] test test_whitespace ... ok
[INFO] [stdout] test test_with_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/regex.rs (/opt/rustwide/target/debug/deps/regex-894bbe8886ac61f4)
[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/serde.rs (/opt/rustwide/target/debug/deps/serde-05d58ae4561bcef2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evalexpr
[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 24 tests
[INFO] [stdout] test src/lib.rs - (line 231) ... ok
[INFO] [stdout] test src/lib.rs - (line 155) ... ok
[INFO] [stdout] test src/lib.rs - (line 486) ... ok
[INFO] [stdout] test src/lib.rs - (line 179) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Node::iter_identifiers (line 59) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Node::iter_function_identifiers (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 170) ... ok
[INFO] [stdout] test src/lib.rs - (line 257) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/function/mod.rs - function::Function (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Node (line 27) ... ok
[INFO] [stdout] test src/interface/mod.rs - interface::eval_with_context_mut (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 307) ... ok
[INFO] [stdout] test src/context/mod.rs - context::context_map (line 132) ... ok
[INFO] [stdout] test src/lib.rs - (line 200) ... ok
[INFO] [stdout] test src/tree/mod.rs - tree::Node::iter_variable_identifiers (line 83) ... ok
[INFO] [stdout] test src/interface/mod.rs - interface::build_operator_tree (line 69) ... ok
[INFO] [stdout] test src/interface/mod.rs - interface::eval (line 10) ... ok
[INFO] [stdout] test src/interface/mod.rs - interface::eval_with_context (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 289) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0255eb0307a71abba751bd7fac30cf87407ea6cba8a60128af2639428d7d2517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0255eb0307a71abba751bd7fac30cf87407ea6cba8a60128af2639428d7d2517", kill_on_drop: false }`
[INFO] [stdout] 0255eb0307a71abba751bd7fac30cf87407ea6cba8a60128af2639428d7d2517