[INFO] fetching crate kirstine 0.1.0...
[INFO] testing kirstine-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kirstine 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate kirstine 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kirstine 0.1.0
[INFO] finished tweaking crates.io crate kirstine 0.1.0
[INFO] tweaked toml for crates.io crate kirstine 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8264d26b78ecdaa104d0e19f2accdcc414b8ada4373116351443333425c605ba
[INFO] running `Command { std: "docker" "start" "-a" "8264d26b78ecdaa104d0e19f2accdcc414b8ada4373116351443333425c605ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8264d26b78ecdaa104d0e19f2accdcc414b8ada4373116351443333425c605ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8264d26b78ecdaa104d0e19f2accdcc414b8ada4373116351443333425c605ba", kill_on_drop: false }`
[INFO] [stdout] 8264d26b78ecdaa104d0e19f2accdcc414b8ada4373116351443333425c605ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5187bdca5a5ac0765352a34075c99268099a20101dd2d5925cc668d268bc0f42
[INFO] running `Command { std: "docker" "start" "-a" "5187bdca5a5ac0765352a34075c99268099a20101dd2d5925cc668d268bc0f42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kirstine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "5187bdca5a5ac0765352a34075c99268099a20101dd2d5925cc668d268bc0f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5187bdca5a5ac0765352a34075c99268099a20101dd2d5925cc668d268bc0f42", kill_on_drop: false }`
[INFO] [stdout] 5187bdca5a5ac0765352a34075c99268099a20101dd2d5925cc668d268bc0f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 954a8cc2037bcb24b909fe318e2b88f8346ad45059c2dec0c386601abb137b0a
[INFO] running `Command { std: "docker" "start" "-a" "954a8cc2037bcb24b909fe318e2b88f8346ad45059c2dec0c386601abb137b0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kirstine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "954a8cc2037bcb24b909fe318e2b88f8346ad45059c2dec0c386601abb137b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954a8cc2037bcb24b909fe318e2b88f8346ad45059c2dec0c386601abb137b0a", kill_on_drop: false }`
[INFO] [stdout] 954a8cc2037bcb24b909fe318e2b88f8346ad45059c2dec0c386601abb137b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 995754bf540a34ed68d671e430b19cfa0cdb08d99db8feadbcde159d381374dd
[INFO] running `Command { std: "docker" "start" "-a" "995754bf540a34ed68d671e430b19cfa0cdb08d99db8feadbcde159d381374dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kirstine-1ac3cbe2ec79acf5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test chi_squared_test ... ok
[INFO] [stdout] test sample::z_score_single_sample_test ... ok
[INFO] [stdout] test correlation_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kirstine
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - mean (line 16) ... ok
[INFO] [stdout] test src/lib.rs - median (line 35) ... ok
[INFO] [stdout] test src/sample/mod.rs - sample::variance (line 11) ... ok
[INFO] [stdout] test src/lib.rs - range (line 100) ... ok
[INFO] [stdout] test src/lib.rs - chi_squared (line 189) ... ok
[INFO] [stdout] test src/population/mod.rs - population::variance (line 14) ... ok
[INFO] [stdout] test src/lib.rs - mode (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "995754bf540a34ed68d671e430b19cfa0cdb08d99db8feadbcde159d381374dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995754bf540a34ed68d671e430b19cfa0cdb08d99db8feadbcde159d381374dd", kill_on_drop: false }`
[INFO] [stdout] 995754bf540a34ed68d671e430b19cfa0cdb08d99db8feadbcde159d381374dd