[INFO] cloning repository https://github.com/ccdle12/rust-big-num
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccdle12/rust-big-num" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdle12%2Frust-big-num", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdle12%2Frust-big-num'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c00a9bc5319287c7b947a85f2827bc70ac155c42
[INFO] testing ccdle12/rust-big-num against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdle12%2Frust-big-num" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccdle12/rust-big-num on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ccdle12/rust-big-num
[INFO] finished tweaking git repo https://github.com/ccdle12/rust-big-num
[INFO] tweaked toml for git repo https://github.com/ccdle12/rust-big-num written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ccdle12/rust-big-num already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8423d458a531f31bf4d5176e7636760e135bb33d488da9b0ab2868ce3481ae23
[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" "8423d458a531f31bf4d5176e7636760e135bb33d488da9b0ab2868ce3481ae23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8423d458a531f31bf4d5176e7636760e135bb33d488da9b0ab2868ce3481ae23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8423d458a531f31bf4d5176e7636760e135bb33d488da9b0ab2868ce3481ae23", kill_on_drop: false }`
[INFO] [stdout] 8423d458a531f31bf4d5176e7636760e135bb33d488da9b0ab2868ce3481ae23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca371dbd827cd27092b02e8e80498b2f00a6d36f4e4d2733565ead86d42ebf5
[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" "6ca371dbd827cd27092b02e8e80498b2f00a6d36f4e4d2733565ead86d42ebf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust_big_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/big_digit.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn div(x: BigDigit, mut y: BigDigit) -> BigDigit {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/big_digit.rs:164:10
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut dividend, mut divisor) = (x, y);
[INFO] [stdout]     |          ----^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "6ca371dbd827cd27092b02e8e80498b2f00a6d36f4e4d2733565ead86d42ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca371dbd827cd27092b02e8e80498b2f00a6d36f4e4d2733565ead86d42ebf5", kill_on_drop: false }`
[INFO] [stdout] 6ca371dbd827cd27092b02e8e80498b2f00a6d36f4e4d2733565ead86d42ebf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214a7d07ffb0bfb1a43a81d4d4a41c86af044eed998472550945c5b7aff1b453
[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" "214a7d07ffb0bfb1a43a81d4d4a41c86af044eed998472550945c5b7aff1b453", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_big_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/big_digit.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn div(x: BigDigit, mut y: BigDigit) -> BigDigit {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/big_digit.rs:164:10
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut dividend, mut divisor) = (x, y);
[INFO] [stdout]     |          ----^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/big_digit.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub fn div(x: BigDigit, mut y: BigDigit) -> BigDigit {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/big_digit.rs:164:10
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let (mut dividend, mut divisor) = (x, y);
[INFO] [stdout]     |          ----^^^^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "214a7d07ffb0bfb1a43a81d4d4a41c86af044eed998472550945c5b7aff1b453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214a7d07ffb0bfb1a43a81d4d4a41c86af044eed998472550945c5b7aff1b453", kill_on_drop: false }`
[INFO] [stdout] 214a7d07ffb0bfb1a43a81d4d4a41c86af044eed998472550945c5b7aff1b453
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6af944a74188df0105251f3c7a5e4e701c8b0ca1018e91fe29f83459e5f7f3b
[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" "e6af944a74188df0105251f3c7a5e4e701c8b0ca1018e91fe29f83459e5f7f3b", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/big_digit.rs:163:25
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn div(x: BigDigit, mut y: BigDigit) -> BigDigit {
[INFO] [stderr]     |                         ----^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/big_digit.rs:164:10
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let (mut dividend, mut divisor) = (x, y);
[INFO] [stderr]     |          ----^^^^^^^^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/big_digit.rs:163:25
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn div(x: BigDigit, mut y: BigDigit) -> BigDigit {
[INFO] [stderr]     |                         ----^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/big_digit.rs:164:10
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let (mut dividend, mut divisor) = (x, y);
[INFO] [stderr]     |          ----^^^^^^^^
[INFO] [stderr]     |          |
[INFO] [stderr]     |          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_big_num-5225ed8a6049f94f
[INFO] [stdout] 
[INFO] [stdout] running 65 tests
[INFO] [stdout] test big_num::addition_tests::add_assign_1 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_4 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_1 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_2 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_3 ... ok
[INFO] [stdout] test big_num::addition_tests::simple_add_3 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_4 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_negative_num_1 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_5 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_negative_num_4 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_negative_num_5 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_2 ... ok
[INFO] [stdout] test big_num::addition_tests::leading_zeros_1 ... ok
[INFO] [stdout] test big_num::addition_tests::big_numbers_add_1 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_6 ... ok
[INFO] [stdout] test big_num::addition_tests::simple_add_1 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_7 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_3 ... ok
[INFO] [stdout] test big_num::addition_tests::simple_add_2 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_negative_num_2 ... ok
[INFO] [stdout] test big_num::comparison_tests::compare_negative_num_3 ... ok
[INFO] [stdout] test big_num::addition_tests::leading_zeros_2 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_1 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_negative_num_1 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_num_3 ... ok
[INFO] [stdout] test big_num::addition_tests::add_negative_numbers_5 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_num_4 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_negative_num_3 ... ok
[INFO] [stdout] test big_num::addition_tests::big_numbers_add_2 ... ok
[INFO] [stdout] test big_num::random_number_tests::generate_random_number_2 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_num_5 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_negative_num_2 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_num_1 ... ok
[INFO] [stdout] test big_num::multiplication_tests::multiply_num_2 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_1 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_10 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_11 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_5 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_7 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_1 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_15 ... ok
[INFO] [stdout] test big_num::division_tests::divide_num_1 ... ok
[INFO] [stdout] test big_num::division_tests::divide_num_3 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_2 ... ok
[INFO] [stdout] test big_num::random_number_tests::generate_random_number_1 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_4 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_3 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_8 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_12 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_13 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_8 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_4 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_3 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_14 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_5 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_7 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_9 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_9 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_negative_6 ... ok
[INFO] [stdout] test big_num::division_tests::divide_num_2 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtraction_2 ... ok
[INFO] [stdout] test big_num::subtraction_tests::subtration_6 ... ok
[INFO] [stdout] test big_num::init_tests::dec_str_1 ... ok
[INFO] [stdout] test big_num::init_tests::dec_str_2 ... ok
[INFO] [stdout] test big_num::division_tests::divide_num_4 ... test big_num::division_tests::divide_num_4 has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e6af944a74188df0105251f3c7a5e4e701c8b0ca1018e91fe29f83459e5f7f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6af944a74188df0105251f3c7a5e4e701c8b0ca1018e91fe29f83459e5f7f3b", kill_on_drop: false }`
[INFO] [stdout] e6af944a74188df0105251f3c7a5e4e701c8b0ca1018e91fe29f83459e5f7f3b
