[INFO] fetching crate measureme 9.1.2...
[INFO] testing measureme-9.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate measureme 9.1.2 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate measureme 9.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate measureme 9.1.2
[INFO] finished tweaking crates.io crate measureme 9.1.2
[INFO] tweaked toml for crates.io crate measureme 9.1.2 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0eef9127f41646f0c721bd37dc0c0850e7f2f603fecd41941ed6731ddf850e3
[INFO] running `Command { std: "docker" "start" "-a" "e0eef9127f41646f0c721bd37dc0c0850e7f2f603fecd41941ed6731ddf850e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0eef9127f41646f0c721bd37dc0c0850e7f2f603fecd41941ed6731ddf850e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0eef9127f41646f0c721bd37dc0c0850e7f2f603fecd41941ed6731ddf850e3", kill_on_drop: false }`
[INFO] [stdout] e0eef9127f41646f0c721bd37dc0c0850e7f2f603fecd41941ed6731ddf850e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c97bdecb2931c0cef01efc52f42a2793fa8f4d1f0b489e577bbf0365beaf647
[INFO] running `Command { std: "docker" "start" "-a" "4c97bdecb2931c0cef01efc52f42a2793fa8f4d1f0b489e577bbf0365beaf647", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling perf-event-open-sys v1.0.1
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling measureme v9.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/stringtable.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 let _ = &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.29s
[INFO] running `Command { std: "docker" "inspect" "4c97bdecb2931c0cef01efc52f42a2793fa8f4d1f0b489e577bbf0365beaf647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c97bdecb2931c0cef01efc52f42a2793fa8f4d1f0b489e577bbf0365beaf647", kill_on_drop: false }`
[INFO] [stdout] 4c97bdecb2931c0cef01efc52f42a2793fa8f4d1f0b489e577bbf0365beaf647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c24d815296a46a70b8bedb5dfc0d75e6c62c1e830821a8698c466bd57c9fc24
[INFO] running `Command { std: "docker" "start" "-a" "6c24d815296a46a70b8bedb5dfc0d75e6c62c1e830821a8698c466bd57c9fc24", kill_on_drop: false }`
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/stringtable.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 let _ = &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling measureme v9.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/stringtable.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 let _ = &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.02s
[INFO] running `Command { std: "docker" "inspect" "6c24d815296a46a70b8bedb5dfc0d75e6c62c1e830821a8698c466bd57c9fc24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c24d815296a46a70b8bedb5dfc0d75e6c62c1e830821a8698c466bd57c9fc24", kill_on_drop: false }`
[INFO] [stdout] 6c24d815296a46a70b8bedb5dfc0d75e6c62c1e830821a8698c466bd57c9fc24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24b88974a7ec6d907fb7e6c07639eab4dab0869309e1f7455c3b34aa556261da
[INFO] running `Command { std: "docker" "start" "-a" "24b88974a7ec6d907fb7e6c07639eab4dab0869309e1f7455c3b34aa556261da", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/stringtable.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:36:9
[INFO] [stderr]     |
[INFO] [stderr] 36  | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` implied by `#[warn(warnings)]`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 let _ = &mut bytes[1..5].copy_from_slice(&string_id.0.to_le_bytes());
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `measureme` (lib) generated 1 warning
[INFO] [stderr] warning: `measureme` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/measureme-c11eca5298bb0806)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test file_header::tests::invalid_magic ... ok
[INFO] [stdout] test file_header::tests::empty_file ... ok
[INFO] [stdout] test file_header::tests::other_version ... ok
[INFO] [stdout] test file_header::tests::roundtrip ... ok
[INFO] [stdout] test raw_event::tests::instant_count_decoding ... ok
[INFO] [stdout] test raw_event::tests::interval_count_decoding ... ok
[INFO] [stdout] test raw_event::tests::is_instant ... ok
[INFO] [stdout] test raw_event::tests::start_equal_to_end_count ... ok
[INFO] [stdout] test raw_event::tests::raw_event_has_expected_size ... ok
[INFO] [stdout] test serialization::tests::exactly_min_page_size::write_bytes_atomic ... ok
[INFO] [stdout] test raw_event::tests::invalid_end_count - should panic ... ok
[INFO] [stdout] test raw_event::tests::invalid_end_count2 - should panic ... ok
[INFO] [stdout] test raw_event::tests::invalid_instant_count - should panic ... ok
[INFO] [stdout] test raw_event::tests::invalid_start_count - should panic ... ok
[INFO] [stdout] test raw_event::tests::start_greater_than_end_count - should panic ... ok
[INFO] [stdout] test serialization::tests::min_page_size_minus_one::write_bytes_atomic ... ok
[INFO] [stdout] test serialization::tests::min_page_size_plus_one::write_bytes_atomic ... ok
[INFO] [stdout] test serialization::tests::max_page_size_minus_one::write_bytes_atomic ... ok
[INFO] [stdout] test serialization::tests::max_page_size_plus_one::write_atomic ... ok
[INFO] [stdout] test serialization::tests::max_page_size_plus_one::write_bytes_atomic ... ok
[INFO] [stdout] test serialization::tests::exactly_max_page_size::write_bytes_atomic ... ok
[INFO] [stdout] test serialization::tests::exactly_min_page_size::write_atomic ... ok
[INFO] [stdout] test serialization::tests::min_page_size_minus_one::write_atomic ... ok
[INFO] [stdout] test serialization::tests::min_page_size_plus_one::write_atomic ... ok
[INFO] [stdout] test serialization::tests::huge_data::write_bytes_atomic ... ok
[INFO] [stdout] test serialization::tests::huge_data::write_atomic ... ok
[INFO] [stdout] test serialization::tests::exactly_max_page_size::write_atomic ... ok
[INFO] [stdout] test serialization::tests::max_page_size_minus_one::write_atomic ... ok
[INFO] [stdout] test serialization::tests::small_data::write_atomic ... ok
[INFO] [stdout] test serialization::tests::small_data::write_bytes_atomic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests measureme
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/event_id.rs - event_id::SEPARATOR_BYTE (line 7) ... ignored
[INFO] [stdout] test src/serialization.rs - serialization::Mutex (line 14) ... ignored
[INFO] [stdout] test src/serialization.rs - serialization::split_streams (line 203) ... ignored
[INFO] [stdout] test src/serialization.rs - serialization::split_streams (line 209) ... ignored
[INFO] [stdout] test src/stringtable.rs - stringtable (line 29) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24b88974a7ec6d907fb7e6c07639eab4dab0869309e1f7455c3b34aa556261da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b88974a7ec6d907fb7e6c07639eab4dab0869309e1f7455c3b34aa556261da", kill_on_drop: false }`
[INFO] [stdout] 24b88974a7ec6d907fb7e6c07639eab4dab0869309e1f7455c3b34aa556261da