[INFO] fetching crate prefer-dynamic 0.1.2...
[INFO] testing prefer-dynamic-0.1.2 against master#c5842b0be783dffa5a49693541acb79115c7eeef for pr-102570
[INFO] extracting crate prefer-dynamic 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate prefer-dynamic 0.1.2 on toolchain c5842b0be783dffa5a49693541acb79115c7eeef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prefer-dynamic 0.1.2
[INFO] finished tweaking crates.io crate prefer-dynamic 0.1.2
[INFO] tweaked toml for crates.io crate prefer-dynamic 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5842b0be783dffa5a49693541acb79115c7eeef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build_cfg_shared v1.1.0
[INFO] [stderr]   Downloaded build_cfg_macros v1.1.0
[INFO] [stderr]   Downloaded build_cfg v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5842b0be783dffa5a49693541acb79115c7eeef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a644eb2817b51b72beadec8d5aaaa279a74b5e983a20334c1154b723a696336
[INFO] running `Command { std: "docker" "start" "-a" "0a644eb2817b51b72beadec8d5aaaa279a74b5e983a20334c1154b723a696336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a644eb2817b51b72beadec8d5aaaa279a74b5e983a20334c1154b723a696336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a644eb2817b51b72beadec8d5aaaa279a74b5e983a20334c1154b723a696336", kill_on_drop: false }`
[INFO] [stdout] 0a644eb2817b51b72beadec8d5aaaa279a74b5e983a20334c1154b723a696336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5842b0be783dffa5a49693541acb79115c7eeef" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dfaf5d2b5a1f03140b561e41206b0ee41a532daee53b0b7e4fba133b11ebbc4
[INFO] running `Command { std: "docker" "start" "-a" "2dfaf5d2b5a1f03140b561e41206b0ee41a532daee53b0b7e4fba133b11ebbc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling build_cfg_shared v1.1.0
[INFO] [stderr]    Compiling build_cfg_macros v1.1.0
[INFO] [stderr]    Compiling build_cfg v1.1.0
[INFO] [stderr]    Compiling prefer-dynamic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "2dfaf5d2b5a1f03140b561e41206b0ee41a532daee53b0b7e4fba133b11ebbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfaf5d2b5a1f03140b561e41206b0ee41a532daee53b0b7e4fba133b11ebbc4", kill_on_drop: false }`
[INFO] [stdout] 2dfaf5d2b5a1f03140b561e41206b0ee41a532daee53b0b7e4fba133b11ebbc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a81093910dfd4327b83baa10be376107738fc09ad301822743bb5dcf373fa7f6
[INFO] running `Command { std: "docker" "start" "-a" "a81093910dfd4327b83baa10be376107738fc09ad301822743bb5dcf373fa7f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefer-dynamic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a81093910dfd4327b83baa10be376107738fc09ad301822743bb5dcf373fa7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81093910dfd4327b83baa10be376107738fc09ad301822743bb5dcf373fa7f6", kill_on_drop: false }`
[INFO] [stdout] a81093910dfd4327b83baa10be376107738fc09ad301822743bb5dcf373fa7f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+c5842b0be783dffa5a49693541acb79115c7eeef" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25a3c140b08c5fd40db952056c30c4fc747417067970781f1aa1fd4d1c4b3225
[INFO] running `Command { std: "docker" "start" "-a" "25a3c140b08c5fd40db952056c30c4fc747417067970781f1aa1fd4d1c4b3225", 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/debug/deps/prefer_dynamic-9012383eaf588fe7)
[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]    Doc-tests prefer-dynamic
[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] running `Command { std: "docker" "inspect" "25a3c140b08c5fd40db952056c30c4fc747417067970781f1aa1fd4d1c4b3225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a3c140b08c5fd40db952056c30c4fc747417067970781f1aa1fd4d1c4b3225", kill_on_drop: false }`
[INFO] [stdout] 25a3c140b08c5fd40db952056c30c4fc747417067970781f1aa1fd4d1c4b3225