[INFO] fetching crate preferences 2.0.0...
[INFO] testing preferences-2.0.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate preferences 2.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate preferences 2.0.0
[INFO] finished tweaking crates.io crate preferences 2.0.0
[INFO] tweaked toml for crates.io crate preferences 2.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate preferences 2.0.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded app_dirs2 v2.5.5
[INFO] [stderr]   Downloaded windows-targets v0.42.2
[INFO] [stderr]   Downloaded xdg v2.5.2
[INFO] [stderr]   Downloaded jni v0.21.1
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded jni-sys v0.3.0
[INFO] [stderr]   Downloaded ndk-context v0.1.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.2
[INFO] [stderr]   Downloaded combine v4.6.7
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.2
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.2
[INFO] [stderr]   Downloaded windows-sys v0.45.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6852352c5c361a3a341ee0a46a2e4f100525fed0b2f21ed8f805ec1e5a939ed
[INFO] running `Command { std: "docker" "start" "-a" "b6852352c5c361a3a341ee0a46a2e4f100525fed0b2f21ed8f805ec1e5a939ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6852352c5c361a3a341ee0a46a2e4f100525fed0b2f21ed8f805ec1e5a939ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6852352c5c361a3a341ee0a46a2e4f100525fed0b2f21ed8f805ec1e5a939ed", kill_on_drop: false }`
[INFO] [stdout] b6852352c5c361a3a341ee0a46a2e4f100525fed0b2f21ed8f805ec1e5a939ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41d924ac66b3836e437dc3d94b1ac4b801f175ee5679f9f8639e15896cc6dbd4
[INFO] running `Command { std: "docker" "start" "-a" "41d924ac66b3836e437dc3d94b1ac4b801f175ee5679f9f8639e15896cc6dbd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling app_dirs2 v2.5.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling preferences v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "41d924ac66b3836e437dc3d94b1ac4b801f175ee5679f9f8639e15896cc6dbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d924ac66b3836e437dc3d94b1ac4b801f175ee5679f9f8639e15896cc6dbd4", kill_on_drop: false }`
[INFO] [stdout] 41d924ac66b3836e437dc3d94b1ac4b801f175ee5679f9f8639e15896cc6dbd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b5cae01ef2616ee9a813468a5f7262bff82bf0edfbb69afbc47d90bbe9ec73
[INFO] running `Command { std: "docker" "start" "-a" "17b5cae01ef2616ee9a813468a5f7262bff82bf0edfbb69afbc47d90bbe9ec73", kill_on_drop: false }`
[INFO] [stderr]    Compiling preferences v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "17b5cae01ef2616ee9a813468a5f7262bff82bf0edfbb69afbc47d90bbe9ec73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b5cae01ef2616ee9a813468a5f7262bff82bf0edfbb69afbc47d90bbe9ec73", kill_on_drop: false }`
[INFO] [stdout] 17b5cae01ef2616ee9a813468a5f7262bff82bf0edfbb69afbc47d90bbe9ec73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bcf69c5b65c5a0006a0e1f7cc822d2456bfda9eaa6d169811762df22ffb7dff
[INFO] running `Command { std: "docker" "start" "-a" "2bcf69c5b65c5a0006a0e1f7cc822d2456bfda9eaa6d169811762df22ffb7dff", 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/debug/deps/preferences-0fa3534129fcc3b7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_save_load ... ok
[INFO] [stderr]    Doc-tests preferences
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Preferences (line 275) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 118) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bcf69c5b65c5a0006a0e1f7cc822d2456bfda9eaa6d169811762df22ffb7dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcf69c5b65c5a0006a0e1f7cc822d2456bfda9eaa6d169811762df22ffb7dff", kill_on_drop: false }`
[INFO] [stdout] 2bcf69c5b65c5a0006a0e1f7cc822d2456bfda9eaa6d169811762df22ffb7dff