[INFO] fetching crate source 0.2.1...
[INFO] testing source-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate source 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate source 0.2.1
[INFO] finished tweaking crates.io crate source 0.2.1
[INFO] tweaked toml for crates.io crate source 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate source 0.2.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding utf8-chars v0.1.4 (available: v3.0.5)
[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 utf8-chars v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 508c5035891c9590382a84e5c0edff42327d53adbe6d2db5e17ac488e2af5107
[INFO] running `Command { std: "docker" "start" "-a" "508c5035891c9590382a84e5c0edff42327d53adbe6d2db5e17ac488e2af5107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "508c5035891c9590382a84e5c0edff42327d53adbe6d2db5e17ac488e2af5107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508c5035891c9590382a84e5c0edff42327d53adbe6d2db5e17ac488e2af5107", kill_on_drop: false }`
[INFO] [stdout] 508c5035891c9590382a84e5c0edff42327d53adbe6d2db5e17ac488e2af5107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e35b33ae3a969cdc0bd4464996f84197d294d1214505b7e0ddbabcb22160a757
[INFO] running `Command { std: "docker" "start" "-a" "e35b33ae3a969cdc0bd4464996f84197d294d1214505b7e0ddbabcb22160a757", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8-chars v0.1.4
[INFO] [stderr]    Compiling source v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e35b33ae3a969cdc0bd4464996f84197d294d1214505b7e0ddbabcb22160a757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35b33ae3a969cdc0bd4464996f84197d294d1214505b7e0ddbabcb22160a757", kill_on_drop: false }`
[INFO] [stdout] e35b33ae3a969cdc0bd4464996f84197d294d1214505b7e0ddbabcb22160a757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2db4ff5c1d96b53accfc5af21b0dffa204adb72eb2b1ffeffbc018c16ecb6980
[INFO] running `Command { std: "docker" "start" "-a" "2db4ff5c1d96b53accfc5af21b0dffa204adb72eb2b1ffeffbc018c16ecb6980", kill_on_drop: false }`
[INFO] [stderr]    Compiling source v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "2db4ff5c1d96b53accfc5af21b0dffa204adb72eb2b1ffeffbc018c16ecb6980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db4ff5c1d96b53accfc5af21b0dffa204adb72eb2b1ffeffbc018c16ecb6980", kill_on_drop: false }`
[INFO] [stdout] 2db4ff5c1d96b53accfc5af21b0dffa204adb72eb2b1ffeffbc018c16ecb6980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 25f98eeef631ab8fa735f738c8346f8114c2caecd0a0ee68700440c05089ed8e
[INFO] running `Command { std: "docker" "start" "-a" "25f98eeef631ab8fa735f738c8346f8114c2caecd0a0ee68700440c05089ed8e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/source-9a80726a5b870b60)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test::concat_works ... ok
[INFO] [stdout] test test::append_works ... ok
[INFO] [stdout] test test::conversions::allows_to_convert_from_iterator ... ok
[INFO] [stdout] test test::conversions::allows_to_convert_into_iterator ... ok
[INFO] [stdout] test test::count_works ... ok
[INFO] [stdout] test test::debug::debug_converts_into_source_macro ... ok
[INFO] [stdout] test test::debug::debug_uses_debug ... ok
[INFO] [stdout] test test::filter_works ... ok
[INFO] [stdout] test test::flatmap_works ... ok
[INFO] [stdout] test test::flatten_works ... ok
[INFO] [stdout] test test::fold_works ... ok
[INFO] [stdout] test test::has_next::does_not_modify_the_source_elements ... ok
[INFO] [stdout] test test::has_next::returns_true_for_non_empty_sources ... ok
[INFO] [stdout] test test::join::works ... ok
[INFO] [stdout] test test::peek::peeking_works_after_next ... ok
[INFO] [stdout] test test::peek::peeking_works_twice ... ok
[INFO] [stdout] test test::map_works ... ok
[INFO] [stdout] test test::peek::allows_to_peek_ahead ... ok
[INFO] [stdout] test test::peek::peek_works ... ok
[INFO] [stdout] test test::prepend_works ... ok
[INFO] [stdout] test test::join::works_with_empty_inputs ... ok
[INFO] [stdout] test test::join::works_with_both_str_and_string ... ok
[INFO] [stdout] test test::source_macro::allows_to_create_sources_with_one_element ... ok
[INFO] [stdout] test test::source_macro::allows_to_create_empty_sources ... ok
[INFO] [stdout] test test::source_macro::allows_to_replicate_a_given_element ... ok
[INFO] [stdout] test test::source_macro::allows_to_trailing_commas ... ok
[INFO] [stdout] test test::has_next::returns_false_when_all_elements_are_consumed ... ok
[INFO] [stdout] test test::peek::peeking_does_not_consume_chars ... ok
[INFO] [stdout] test test::has_next::returns_false_for_empty_sources ... ok
[INFO] [stdout] test test::source_macro::allows_to_convert_from_elements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25f98eeef631ab8fa735f738c8346f8114c2caecd0a0ee68700440c05089ed8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f98eeef631ab8fa735f738c8346f8114c2caecd0a0ee68700440c05089ed8e", kill_on_drop: false }`
[INFO] [stdout] 25f98eeef631ab8fa735f738c8346f8114c2caecd0a0ee68700440c05089ed8e