[INFO] fetching crate yaml-config 1.0.0...
[INFO] testing yaml-config-1.0.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate yaml-config 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yaml-config 1.0.0 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 crates.io crate yaml-config 1.0.0
[INFO] finished tweaking crates.io crate yaml-config 1.0.0
[INFO] tweaked toml for crates.io crate yaml-config 1.0.0 written to /workspace/builds/worker-2/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded envtestkit v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8b006bdd49277a2dbef05cae52ec76ab770ec792821b6e231f2c1b5c375a637e
[INFO] running `Command { std: "docker" "start" "-a" "8b006bdd49277a2dbef05cae52ec76ab770ec792821b6e231f2c1b5c375a637e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b006bdd49277a2dbef05cae52ec76ab770ec792821b6e231f2c1b5c375a637e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b006bdd49277a2dbef05cae52ec76ab770ec792821b6e231f2c1b5c375a637e", kill_on_drop: false }`
[INFO] [stdout] 8b006bdd49277a2dbef05cae52ec76ab770ec792821b6e231f2c1b5c375a637e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ca3b73a669b562cb581423cf2ce690fbfbbd7979e1941e2b06ace10a310ba6fd
[INFO] running `Command { std: "docker" "start" "-a" "ca3b73a669b562cb581423cf2ce690fbfbbd7979e1941e2b06ace10a310ba6fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling yaml-config v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "ca3b73a669b562cb581423cf2ce690fbfbbd7979e1941e2b06ace10a310ba6fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3b73a669b562cb581423cf2ce690fbfbbd7979e1941e2b06ace10a310ba6fd", kill_on_drop: false }`
[INFO] [stdout] ca3b73a669b562cb581423cf2ce690fbfbbd7979e1941e2b06ace10a310ba6fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5f9dac81aaa13eeb57ba48d35c7e21ee57b14857b6d5c09fc64a24d90ce5efca
[INFO] running `Command { std: "docker" "start" "-a" "5f9dac81aaa13eeb57ba48d35c7e21ee57b14857b6d5c09fc64a24d90ce5efca", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling envtestkit v1.1.2
[INFO] [stderr]    Compiling yaml-config v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "5f9dac81aaa13eeb57ba48d35c7e21ee57b14857b6d5c09fc64a24d90ce5efca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9dac81aaa13eeb57ba48d35c7e21ee57b14857b6d5c09fc64a24d90ce5efca", kill_on_drop: false }`
[INFO] [stdout] 5f9dac81aaa13eeb57ba48d35c7e21ee57b14857b6d5c09fc64a24d90ce5efca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] eb21af66127f205b507b11c39b5a0307f3824e027a2052c765e722e346d7d9cd
[INFO] running `Command { std: "docker" "start" "-a" "eb21af66127f205b507b11c39b5a0307f3824e027a2052c765e722e346d7d9cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/yaml_config-f8fc7ab1513731c0)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test error::test::test_display_trait ... ok
[INFO] [stdout] test error::test::test_error ... ok
[INFO] [stdout] test error::test::test_var_error ... ok
[INFO] [stdout] test test::error_when_environment_variable_is_not_found ... ok
[INFO] [stdout] test test::maybe_yaml_gets_bool ... ok
[INFO] [stdout] test test::maybe_yaml_gets_bool_env_var_match ... ok
[INFO] [stdout] test test::maybe_yaml_gets_f64_env_var_match ... ok
[INFO] [stdout] test test::maybe_yaml_gets_f64 ... ok
[INFO] [stdout] test test::maybe_yaml_gets_i64 ... ok
[INFO] [stdout] test test::maybe_yaml_gets_string ... ok
[INFO] [stdout] test test::maybe_yaml_gets_i64_env_var_match ... ok
[INFO] [stdout] test test::maybe_yaml_gets_string_env_var_match ... ok
[INFO] [stdout] test test::maybe_yaml_null_gets_environment_variable_bool ... ok
[INFO] [stdout] test test::maybe_yaml_null_gets_environment_variable_f64 ... ok
[INFO] [stdout] test test::arrays_are_not_allowed ... ok
[INFO] [stdout] test test::maybe_yaml_null_gets_environment_variable_i64 ... ok
[INFO] [stdout] test test::maybe_yaml_null_gets_environment_variable_string ... ok
[INFO] [stdout] test test::maybe_yaml_null_gets_environment_variable_string_with_prefer_yaml ... ok
[INFO] [stdout] test test::successfully_gets_environment_variable ... ok
[INFO] [stdout] test test::three_layer ... ok
[INFO] [stdout] test test::two_layer ... ok
[INFO] [stdout] test test::one_layer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb21af66127f205b507b11c39b5a0307f3824e027a2052c765e722e346d7d9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb21af66127f205b507b11c39b5a0307f3824e027a2052c765e722e346d7d9cd", kill_on_drop: false }`
[INFO] [stdout] eb21af66127f205b507b11c39b5a0307f3824e027a2052c765e722e346d7d9cd