[INFO] cloning repository https://github.com/Udragg/c4_display
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Udragg/c4_display" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUdragg%2Fc4_display", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUdragg%2Fc4_display'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b148706c380165fc0e9309d83d4365c2a2a14d7
[INFO] testing Udragg/c4_display against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUdragg%2Fc4_display" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Udragg/c4_display on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Udragg/c4_display
[INFO] finished tweaking git repo https://github.com/Udragg/c4_display
[INFO] tweaked toml for git repo https://github.com/Udragg/c4_display written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966fb0c6f64d365fde3ecf19cc16bdb92d45194c86c5a745acb168b2e723a7ea
[INFO] running `Command { std: "docker" "start" "-a" "966fb0c6f64d365fde3ecf19cc16bdb92d45194c86c5a745acb168b2e723a7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966fb0c6f64d365fde3ecf19cc16bdb92d45194c86c5a745acb168b2e723a7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966fb0c6f64d365fde3ecf19cc16bdb92d45194c86c5a745acb168b2e723a7ea", kill_on_drop: false }`
[INFO] [stdout] 966fb0c6f64d365fde3ecf19cc16bdb92d45194c86c5a745acb168b2e723a7ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6c8ec0dd0139b5de6fa9fb402ea5470a7d556201be7c614cd361a2e89eb858f0
[INFO] running `Command { std: "docker" "start" "-a" "6c8ec0dd0139b5de6fa9fb402ea5470a7d556201be7c614cd361a2e89eb858f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rppal v0.13.1
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling c4_display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "6c8ec0dd0139b5de6fa9fb402ea5470a7d556201be7c614cd361a2e89eb858f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8ec0dd0139b5de6fa9fb402ea5470a7d556201be7c614cd361a2e89eb858f0", kill_on_drop: false }`
[INFO] [stdout] 6c8ec0dd0139b5de6fa9fb402ea5470a7d556201be7c614cd361a2e89eb858f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5ecd3f401c047baa895bb20dd530d152381563361e42052a2b5bed026c1070b6
[INFO] running `Command { std: "docker" "start" "-a" "5ecd3f401c047baa895bb20dd530d152381563361e42052a2b5bed026c1070b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling c4_display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "5ecd3f401c047baa895bb20dd530d152381563361e42052a2b5bed026c1070b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecd3f401c047baa895bb20dd530d152381563361e42052a2b5bed026c1070b6", kill_on_drop: false }`
[INFO] [stdout] 5ecd3f401c047baa895bb20dd530d152381563361e42052a2b5bed026c1070b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7c77defeb94225933d54ee7aed882d15ec8b3b0f298130720e1e283681de87ba
[INFO] running `Command { std: "docker" "start" "-a" "7c77defeb94225933d54ee7aed882d15ec8b3b0f298130720e1e283681de87ba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/c4_display-e62c434a8825b8ff)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test display::dec::test_add_sub::add_1 ... ok
[INFO] [stdout] test display::dec::test_add_sub::add_10_double_overflow ... ok
[INFO] [stdout] test display::dec::test_add_sub::add_10_loopback ... ok
[INFO] [stdout] test display::dec::test_add_sub::add_1_overflow ... ok
[INFO] [stdout] test display::dec::test_add_sub::add_3 ... ok
[INFO] [stdout] test display::dec::test_add_sub::add_3_overflow ... ok
[INFO] [stdout] test display::dec::test_add_sub::sub_1 ... ok
[INFO] [stdout] test display::dec::test_add_sub::sub_10_double_underflow ... ok
[INFO] [stdout] test display::dec::test_add_sub::sub_10_loopback ... ok
[INFO] [stdout] test display::dec::test_add_sub::sub_1_underflow ... ok
[INFO] [stdout] test display::dec::test_add_sub::sub_3 ... ok
[INFO] [stdout] test display::dec::test_add_sub::sub_3_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/c4_display-18ea66bb3f37cc07)
[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" "7c77defeb94225933d54ee7aed882d15ec8b3b0f298130720e1e283681de87ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c77defeb94225933d54ee7aed882d15ec8b3b0f298130720e1e283681de87ba", kill_on_drop: false }`
[INFO] [stdout] 7c77defeb94225933d54ee7aed882d15ec8b3b0f298130720e1e283681de87ba