[INFO] fetching crate lucky_commit 1.0.2...
[INFO] testing lucky_commit-1.0.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate lucky_commit 1.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lucky_commit 1.0.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lucky_commit 1.0.2
[INFO] finished tweaking crates.io crate lucky_commit 1.0.2
[INFO] tweaked toml for crates.io crate lucky_commit 1.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c047c88adb862ff6ef63dfb547554919f18194127b929adec5c1eb02eeb126e
[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" "4c047c88adb862ff6ef63dfb547554919f18194127b929adec5c1eb02eeb126e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c047c88adb862ff6ef63dfb547554919f18194127b929adec5c1eb02eeb126e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c047c88adb862ff6ef63dfb547554919f18194127b929adec5c1eb02eeb126e", kill_on_drop: false }`
[INFO] [stdout] 4c047c88adb862ff6ef63dfb547554919f18194127b929adec5c1eb02eeb126e
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", 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] 94e4308d0556545a95a549bac88b8afdc79e542f7655f7e577fe2b5f9a77efb8
[INFO] running `Command { std: "docker" "start" "-a" "94e4308d0556545a95a549bac88b8afdc79e542f7655f7e577fe2b5f9a77efb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling lucky_commit v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/main.rs:247:69
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let trimmed_right_half = original_message[commit_split_index..].trim_left_matches(trimmable_paddings);
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |     message.trim_right().len()
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.41s
[INFO] running `Command { std: "docker" "inspect" "94e4308d0556545a95a549bac88b8afdc79e542f7655f7e577fe2b5f9a77efb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e4308d0556545a95a549bac88b8afdc79e542f7655f7e577fe2b5f9a77efb8", kill_on_drop: false }`
[INFO] [stdout] 94e4308d0556545a95a549bac88b8afdc79e542f7655f7e577fe2b5f9a77efb8
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", 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] 23b7fc6d5a33a2aba510714736654432589f93fd36eaf038c4be0960fc351fd6
[INFO] running `Command { std: "docker" "start" "-a" "23b7fc6d5a33a2aba510714736654432589f93fd36eaf038c4be0960fc351fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lucky_commit v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/main.rs:247:69
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let trimmed_right_half = original_message[commit_split_index..].trim_left_matches(trimmable_paddings);
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |     message.trim_right().len()
[INFO] [stdout]     |             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "23b7fc6d5a33a2aba510714736654432589f93fd36eaf038c4be0960fc351fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b7fc6d5a33a2aba510714736654432589f93fd36eaf038c4be0960fc351fd6", kill_on_drop: false }`
[INFO] [stdout] 23b7fc6d5a33a2aba510714736654432589f93fd36eaf038c4be0960fc351fd6
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] c36a1121fd245a8bedd833d2af0f64f56267c1040167e273ff800085ebaf2a57
[INFO] running `Command { std: "docker" "start" "-a" "c36a1121fd245a8bedd833d2af0f64f56267c1040167e273ff800085ebaf2a57", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stderr]    --> src/main.rs:247:69
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let trimmed_right_half = original_message[commit_split_index..].trim_left_matches(trimmable_paddings);
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:296:13
[INFO] [stderr]     |
[INFO] [stderr] 296 |     message.trim_right().len()
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lucky_commit-ab6ee0ef24aa0fd5
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::matches_desired_prefix_data_without_half ... ok
[INFO] [stdout] test tests::matches_desired_prefix_mismatching_data_matching_half ... ok
[INFO] [stdout] test tests::matches_desired_prefix_empty ... ok
[INFO] [stdout] test tests::matches_desired_prefix_matching_data_mismatching_half ... ok
[INFO] [stdout] test tests::matches_desired_prefix_matching_data_and_half ... ok
[INFO] [stdout] test tests::parse_prefix_invalid_even_chars ... ok
[INFO] [stdout] test tests::parse_prefix_odd_chars ... ok
[INFO] [stdout] test tests::parse_prefix_single_char ... ok
[INFO] [stdout] test tests::matches_desired_prefix_single_half ... ok
[INFO] [stdout] test tests::parse_prefix_capital_letters ... ok
[INFO] [stdout] test tests::split_range_u32_one_segment ... ok
[INFO] [stdout] test tests::process_commit_message_without_gpg_signature ... ok
[INFO] [stdout] test tests::process_commit_message_with_gpg_signature ... ok
[INFO] [stdout] test tests::split_range_u64_multiple_segments ... ok
[INFO] [stdout] test tests::parse_prefix_invalid_odd_char ... ok
[INFO] [stdout] test tests::parse_prefix_even_chars ... ok
[INFO] [stdout] test tests::matches_desired_prefix_single_half_mismatch ... ok
[INFO] [stdout] test tests::parse_prefix_empty ... ok
[INFO] [stdout] test tests::process_commit_message_already_padded ... ok
[INFO] [stdout] test tests::split_range_u64_one_segment ... ok
[INFO] [stdout] test tests::to_hex_string_basic ... ok
[INFO] [stdout] test tests::to_hex_string_multichar ... ok
[INFO] [stdout] test tests::split_range_u32_multiple_segments ... ok
[INFO] [stdout] test tests::search_for_match_success ... ok
[INFO] [stdout] test tests::iterate_for_match_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c36a1121fd245a8bedd833d2af0f64f56267c1040167e273ff800085ebaf2a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36a1121fd245a8bedd833d2af0f64f56267c1040167e273ff800085ebaf2a57", kill_on_drop: false }`
[INFO] [stdout] c36a1121fd245a8bedd833d2af0f64f56267c1040167e273ff800085ebaf2a57