[INFO] fetching crate rusm-observer 0.3.0...
[INFO] testing rusm-observer-0.3.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rusm-observer 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rusm-observer 0.3.0
[INFO] finished tweaking crates.io crate rusm-observer 0.3.0
[INFO] tweaked toml for crates.io crate rusm-observer 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusm-observer 0.3.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusm-observer 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusm-metrics v0.3.0
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52
[INFO] running `Command { std: "docker" "start" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.8.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rusm-metrics v0.3.0
[INFO] [stderr]    Compiling rusm-observer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling rusm-observer v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusm_observer-871e45052beb95f1)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test observer::tests::disabling_detail_drops_the_table_only ... ok
[INFO] [stdout] test observer::tests::detail_is_enabled_by_default ... ok
[INFO] [stdout] test observer::tests::detail_table_is_capped_at_max_detail ... ok
[INFO] [stdout] test observer::tests::aggregates_are_authoritative_totals_not_the_sample_size ... ok
[INFO] [stdout] test observer::tests::counters_feed_the_snapshot ... ok
[INFO] [stdout] test observer::tests::snapshot_round_trips_through_json ... ok
[INFO] [stdout] test observer::tests::scheduler_load_is_normalised_to_scheduler_count ... ok
[INFO] [stdout] test observer::tests::zero_schedulers_becomes_one ... ok
[INFO] [stderr]    Doc-tests rusm_observer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52", kill_on_drop: false }`
[INFO] [stdout] ed1feaf855356ce73b12bbf172c4c7e6659abc55a42076bbddd7ee6eb90d9c52
