[INFO] fetching crate ripline 0.1.0...
[INFO] testing ripline-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate ripline 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ripline 0.1.0
[INFO] finished tweaking crates.io crate ripline 0.1.0
[INFO] tweaked toml for crates.io crate ripline 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ripline 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ripline 0.1.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linereader v0.4.0
[INFO] [stderr]   Downloaded grep-cli v0.1.6
[INFO] [stderr]   Downloaded memmap2 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c378cb26ab47cc4886fa5d47423e86869aea330db6605443b65e3b4407fa9a90
[INFO] running `Command { std: "docker" "start" "-a" "c378cb26ab47cc4886fa5d47423e86869aea330db6605443b65e3b4407fa9a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c378cb26ab47cc4886fa5d47423e86869aea330db6605443b65e3b4407fa9a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c378cb26ab47cc4886fa5d47423e86869aea330db6605443b65e3b4407fa9a90", kill_on_drop: false }`
[INFO] [stdout] c378cb26ab47cc4886fa5d47423e86869aea330db6605443b65e3b4407fa9a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3d71bd9d4b19a1ae8bcb2f478aaaf2e373491f885e94728e155911b7e3acbf5f
[INFO] running `Command { std: "docker" "start" "-a" "3d71bd9d4b19a1ae8bcb2f478aaaf2e373491f885e94728e155911b7e3acbf5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling ripline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "3d71bd9d4b19a1ae8bcb2f478aaaf2e373491f885e94728e155911b7e3acbf5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d71bd9d4b19a1ae8bcb2f478aaaf2e373491f885e94728e155911b7e3acbf5f", kill_on_drop: false }`
[INFO] [stdout] 3d71bd9d4b19a1ae8bcb2f478aaaf2e373491f885e94728e155911b7e3acbf5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3dcbe38c17a333c919b591b894b8715da4e672f11542a23030f7f72b4ee51f37
[INFO] running `Command { std: "docker" "start" "-a" "3dcbe38c17a333c919b591b894b8715da4e672f11542a23030f7f72b4ee51f37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling linereader v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap2 v0.3.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling grep-cli v0.1.6
[INFO] [stderr]    Compiling ripline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "3dcbe38c17a333c919b591b894b8715da4e672f11542a23030f7f72b4ee51f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcbe38c17a333c919b591b894b8715da4e672f11542a23030f7f72b4ee51f37", kill_on_drop: false }`
[INFO] [stdout] 3dcbe38c17a333c919b591b894b8715da4e672f11542a23030f7f72b4ee51f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ffb39f620ed12c0008dc854c360c5faa6be73202486c004b57941c917603fc10
[INFO] running `Command { std: "docker" "start" "-a" "ffb39f620ed12c0008dc854c360c5faa6be73202486c004b57941c917603fc10", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ripline-957a799850a0d253)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test line_buffer::tests::buffer_basics1 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_basics3 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_basics2 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_basics4 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_empty ... ok
[INFO] [stdout] test line_buffer::tests::buffer_limited_capacity1 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_limited_capacity2 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_limited_capacity3 ... ok
[INFO] [stdout] test line_buffer::tests::buffer_small_capacity ... ok
[INFO] [stdout] test line_buffer::tests::buffer_zero_capacity ... ok
[INFO] [stdout] test lines::tests::line_count ... ok
[INFO] [stdout] test lines::tests::line_iter ... ok
[INFO] [stdout] test lines::tests::line_iter_empty ... ok
[INFO] [stdout] test lines::tests::line_locate ... ok
[INFO] [stdout] test lines::tests::line_locate_weird ... ok
[INFO] [stdout] test lines::tests::preceding_lines_doc ... ok
[INFO] [stdout] test lines::tests::preceding_lines_empty1 ... ok
[INFO] [stdout] test lines::tests::preceding_lines_empty2 ... ok
[INFO] [stdout] test lines::tests::preceding_lines_sherlock ... ok
[INFO] [stdout] test lines::tests::preceding_lines_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffb39f620ed12c0008dc854c360c5faa6be73202486c004b57941c917603fc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb39f620ed12c0008dc854c360c5faa6be73202486c004b57941c917603fc10", kill_on_drop: false }`
[INFO] [stdout] ffb39f620ed12c0008dc854c360c5faa6be73202486c004b57941c917603fc10