[INFO] fetching crate grep-reader 0.1.3...
[INFO] testing grep-reader-0.1.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate grep-reader 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate grep-reader 0.1.3
[INFO] finished tweaking crates.io crate grep-reader 0.1.3
[INFO] tweaked toml for crates.io crate grep-reader 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grep-reader 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded grep-matcher v0.1.7
[INFO] [stderr]   Downloaded grep v0.3.2
[INFO] [stderr]   Downloaded grep-searcher v0.1.14
[INFO] [stderr]   Downloaded grep-cli v0.1.11
[INFO] [stderr]   Downloaded grep-regex v0.1.13
[INFO] [stderr]   Downloaded grep-printer v0.2.2
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9b77cce5ff8d765b3b1f84d8c2f27c4e155b69f88949ad19f54ecc743052406f
[INFO] running `Command { std: "docker" "start" "-a" "9b77cce5ff8d765b3b1f84d8c2f27c4e155b69f88949ad19f54ecc743052406f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b77cce5ff8d765b3b1f84d8c2f27c4e155b69f88949ad19f54ecc743052406f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b77cce5ff8d765b3b1f84d8c2f27c4e155b69f88949ad19f54ecc743052406f", kill_on_drop: false }`
[INFO] [stdout] 9b77cce5ff8d765b3b1f84d8c2f27c4e155b69f88949ad19f54ecc743052406f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f740e7b4d9c49a8f36339a2ec15b0de12c52b901eba213b070f614621085d363
[INFO] running `Command { std: "docker" "start" "-a" "f740e7b4d9c49a8f36339a2ec15b0de12c52b901eba213b070f614621085d363", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling grep-matcher v0.1.7
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling grep-searcher v0.1.14
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling grep-regex v0.1.13
[INFO] [stderr]    Compiling grep-cli v0.1.11
[INFO] [stderr]    Compiling grep-printer v0.2.2
[INFO] [stderr]    Compiling grep v0.3.2
[INFO] [stderr]    Compiling grep-reader v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.22s
[INFO] running `Command { std: "docker" "inspect" "f740e7b4d9c49a8f36339a2ec15b0de12c52b901eba213b070f614621085d363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f740e7b4d9c49a8f36339a2ec15b0de12c52b901eba213b070f614621085d363", kill_on_drop: false }`
[INFO] [stdout] f740e7b4d9c49a8f36339a2ec15b0de12c52b901eba213b070f614621085d363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7431e116a49b58519658b73fb8fd5862210677a765b0a94449c298e1d1b450e2
[INFO] running `Command { std: "docker" "start" "-a" "7431e116a49b58519658b73fb8fd5862210677a765b0a94449c298e1d1b450e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling grep-reader v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "7431e116a49b58519658b73fb8fd5862210677a765b0a94449c298e1d1b450e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7431e116a49b58519658b73fb8fd5862210677a765b0a94449c298e1d1b450e2", kill_on_drop: false }`
[INFO] [stdout] 7431e116a49b58519658b73fb8fd5862210677a765b0a94449c298e1d1b450e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] daab50bab9714da651ef1ad220ca425dc880a5407c8d88d8bd173cf8ee0e2f7f
[INFO] running `Command { std: "docker" "start" "-a" "daab50bab9714da651ef1ad220ca425dc880a5407c8d88d8bd173cf8ee0e2f7f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/grep_reader-837b87717b8fc309)
[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] [stderr]      Running tests/xyz.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/xyz-98a1439a62b7276c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_grep_read_until ... ok
[INFO] [stdout] test test_grep ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daab50bab9714da651ef1ad220ca425dc880a5407c8d88d8bd173cf8ee0e2f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daab50bab9714da651ef1ad220ca425dc880a5407c8d88d8bd173cf8ee0e2f7f", kill_on_drop: false }`
[INFO] [stdout] daab50bab9714da651ef1ad220ca425dc880a5407c8d88d8bd173cf8ee0e2f7f