[INFO] crate assayer 0.2.2 is already in cache
[INFO] testing assayer-0.2.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate assayer 0.2.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate assayer 0.2.2 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 assayer 0.2.2
[INFO] finished tweaking crates.io crate assayer 0.2.2
[INFO] tweaked toml for crates.io crate assayer 0.2.2 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a509cbd728a403fec5bd460ed45d5eb87d629324ce1e5106f5ce35b528131703
[INFO] running `Command { std: "docker" "start" "-a" "a509cbd728a403fec5bd460ed45d5eb87d629324ce1e5106f5ce35b528131703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a509cbd728a403fec5bd460ed45d5eb87d629324ce1e5106f5ce35b528131703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a509cbd728a403fec5bd460ed45d5eb87d629324ce1e5106f5ce35b528131703", kill_on_drop: false }`
[INFO] [stdout] a509cbd728a403fec5bd460ed45d5eb87d629324ce1e5106f5ce35b528131703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8cc499f10a933afb63193a59d11dcde4fbc174ac3c9c307ca037575f88b19499
[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" "8cc499f10a933afb63193a59d11dcde4fbc174ac3c9c307ca037575f88b19499", kill_on_drop: false }`
[INFO] [stderr]    Compiling assayer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:104
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:116
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:108
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut msg = format!("{}:", self.description());
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "8cc499f10a933afb63193a59d11dcde4fbc174ac3c9c307ca037575f88b19499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc499f10a933afb63193a59d11dcde4fbc174ac3c9c307ca037575f88b19499", kill_on_drop: false }`
[INFO] [stdout] 8cc499f10a933afb63193a59d11dcde4fbc174ac3c9c307ca037575f88b19499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b38eed361324d776c8d0566e25b354281fde75fee9e260a1ee94169f98038828
[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" "b38eed361324d776c8d0566e25b354281fde75fee9e260a1ee94169f98038828", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:104
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling assayer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:116
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:108
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut msg = format!("{}:", self.description());
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:38:104
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:39:116
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:40:108
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[INFO] [stdout]    |                                                                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:51
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 let mut msg = format!("{}:", self.description());
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "b38eed361324d776c8d0566e25b354281fde75fee9e260a1ee94169f98038828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38eed361324d776c8d0566e25b354281fde75fee9e260a1ee94169f98038828", kill_on_drop: false }`
[INFO] [stdout] b38eed361324d776c8d0566e25b354281fde75fee9e260a1ee94169f98038828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] d85635ffbf71d0b611a8b8c1a65b33eb1bc4ce66964d8462f390d508a343f377
[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" "d85635ffbf71d0b611a8b8c1a65b33eb1bc4ce66964d8462f390d508a343f377", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:104
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[INFO] [stderr]    |                                                                                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:39:116
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[INFO] [stderr]    |                                                                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:108
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[INFO] [stderr]    |                                                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:42:51
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let mut msg = format!("{}:", self.description());
[INFO] [stderr]    |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:38:104
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Error::ValueEmpty(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_EMPTY, self.description()).as_str()),
[INFO] [stderr]    |                                                                                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:39:116
[INFO] [stderr]    |
[INFO] [stderr] 39 |             Error::ValueOutOfRange(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_OUT_OF_RANGE, self.description()).as_str()),
[INFO] [stderr]    |                                                                                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:40:108
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Error::ValueInvalid(_) => f.write_str(format!("{}: {}", MSG_ERR_VALIDATION_VALUE_INVALID, self.description()).as_str()),
[INFO] [stderr]    |                                                                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:42:51
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 let mut msg = format!("{}:", self.description());
[INFO] [stderr]    |                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assayer-c6263f92492cdd75
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test unit_tests::string_validator_handles_non_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_mut_ref_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_mut_ref_handles_non_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_ref_handles_empty_input ... ok
[INFO] [stdout] test unit_tests::string_validator_ref_handles_non_empty_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests assayer
[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" "d85635ffbf71d0b611a8b8c1a65b33eb1bc4ce66964d8462f390d508a343f377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85635ffbf71d0b611a8b8c1a65b33eb1bc4ce66964d8462f390d508a343f377", kill_on_drop: false }`
[INFO] [stdout] d85635ffbf71d0b611a8b8c1a65b33eb1bc4ce66964d8462f390d508a343f377