[INFO] fetching crate c2_histograms 0.2.4...
[INFO] testing c2_histograms-0.2.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate c2_histograms 0.2.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate c2_histograms 0.2.4
[INFO] finished tweaking crates.io crate c2_histograms 0.2.4
[INFO] tweaked toml for crates.io crate c2_histograms 0.2.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate c2_histograms 0.2.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a794e1a7d85fc8854a2892dc130d2d50eb5422a5dc6f079d5a1342aa9d17fc3b
[INFO] running `Command { std: "docker" "start" "-a" "a794e1a7d85fc8854a2892dc130d2d50eb5422a5dc6f079d5a1342aa9d17fc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a794e1a7d85fc8854a2892dc130d2d50eb5422a5dc6f079d5a1342aa9d17fc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a794e1a7d85fc8854a2892dc130d2d50eb5422a5dc6f079d5a1342aa9d17fc3b", kill_on_drop: false }`
[INFO] [stdout] a794e1a7d85fc8854a2892dc130d2d50eb5422a5dc6f079d5a1342aa9d17fc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d20d72071ceb17e5bade22c2df0bdbf468053b75fa07ea29cb668cdee8da0e
[INFO] running `Command { std: "docker" "start" "-a" "58d20d72071ceb17e5bade22c2df0bdbf468053b75fa07ea29cb668cdee8da0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2_histograms v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "58d20d72071ceb17e5bade22c2df0bdbf468053b75fa07ea29cb668cdee8da0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d20d72071ceb17e5bade22c2df0bdbf468053b75fa07ea29cb668cdee8da0e", kill_on_drop: false }`
[INFO] [stdout] 58d20d72071ceb17e5bade22c2df0bdbf468053b75fa07ea29cb668cdee8da0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7dc99b3dbd429025eeab13afcef0290106f2b47716d66f652143e197ee4f1ce
[INFO] running `Command { std: "docker" "start" "-a" "e7dc99b3dbd429025eeab13afcef0290106f2b47716d66f652143e197ee4f1ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling c2_histograms v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "e7dc99b3dbd429025eeab13afcef0290106f2b47716d66f652143e197ee4f1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dc99b3dbd429025eeab13afcef0290106f2b47716d66f652143e197ee4f1ce", kill_on_drop: false }`
[INFO] [stdout] e7dc99b3dbd429025eeab13afcef0290106f2b47716d66f652143e197ee4f1ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3247c21ace1bf80aa050ef7316bda9a97c22d3d7922d6c8e3c509b0058424a21
[INFO] running `Command { std: "docker" "start" "-a" "3247c21ace1bf80aa050ef7316bda9a97c22d3d7922d6c8e3c509b0058424a21", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c2_histograms-cabea098be0c2b98)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test c2::compact_testing::ranges ... ok
[INFO] [stdout] test c2::compact_testing::init_params ... ok
[INFO] [stdout] test c2::compact_testing::sub_ranges ... ok
[INFO] [stdout] test c2::compress_testing::compression ... ok
[INFO] [stdout] test c2::compress_testing::decomp_comp ... ok
[INFO] [stderr]    Doc-tests c2_histograms
[INFO] [stdout] test c2::compact_testing::index_buckets ... ok
[INFO] [stdout] test c2::compress_testing::init_params ... ok
[INFO] [stdout] test standard::standard_testing::c2_1 ... ok
[INFO] [stdout] test standard::standard_testing::compaction1 ... ok
[INFO] [stdout] test standard::standard_testing::compression1 ... ok
[INFO] [stdout] test standard::standard_testing::compression2 ... ok
[INFO] [stdout] test standard::standard_testing::init ... ok
[INFO] [stdout] test c2::compress_testing::decompression ... ok
[INFO] [stdout] test c2::compact_testing::pos_leases ... ok
[INFO] [stdout] test standard::standard_testing::compaction2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram (line 169) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_compressed (line 289) ... ok
[INFO] [stdout] test src/c2.rs - c2::C2Params (line 621) ... ok
[INFO] [stdout] test src/c2.rs - c2::CompressedParams (line 449) ... ok
[INFO] [stdout] test src/c2.rs - c2::CompactParams (line 123) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_compact (line 230) ... ok
[INFO] [stdout] test src/standard.rs - standard::StandardHistogram::to_c2 (line 323) ... ok
[INFO] [stdout] test src/standard.rs - standard::NullParams (line 153) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3247c21ace1bf80aa050ef7316bda9a97c22d3d7922d6c8e3c509b0058424a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3247c21ace1bf80aa050ef7316bda9a97c22d3d7922d6c8e3c509b0058424a21", kill_on_drop: false }`
[INFO] [stdout] 3247c21ace1bf80aa050ef7316bda9a97c22d3d7922d6c8e3c509b0058424a21