[INFO] fetching crate prefer-dynamic 0.1.2...
[INFO] testing prefer-dynamic-0.1.2 against master#acb8934fd57b3c2740c4abac0a5728c2c9b1423b for pr-101061-2
[INFO] extracting crate prefer-dynamic 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate prefer-dynamic 0.1.2 on toolchain acb8934fd57b3c2740c4abac0a5728c2c9b1423b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc_version v0.4.0
[INFO] [stderr]   Downloaded build_cfg_macros v1.1.0
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded build_cfg v1.1.0
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded build_cfg_shared v1.1.0
[INFO] [stderr]   Downloaded derive_more v0.99.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c025e26fd677bbb3fe6825c5ec20e1ccd96b052d9fcb879f116f778fa066e6f
[INFO] running `Command { std: "docker" "start" "-a" "5c025e26fd677bbb3fe6825c5ec20e1ccd96b052d9fcb879f116f778fa066e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c025e26fd677bbb3fe6825c5ec20e1ccd96b052d9fcb879f116f778fa066e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c025e26fd677bbb3fe6825c5ec20e1ccd96b052d9fcb879f116f778fa066e6f", kill_on_drop: false }`
[INFO] [stdout] 5c025e26fd677bbb3fe6825c5ec20e1ccd96b052d9fcb879f116f778fa066e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3c7aef9043c86b80bc379470947a594d9755e98bbf37488cb96b1094f0bde5
[INFO] running `Command { std: "docker" "start" "-a" "6c3c7aef9043c86b80bc379470947a594d9755e98bbf37488cb96b1094f0bde5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[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 21.28s
[INFO] running `Command { std: "docker" "inspect" "6c3c7aef9043c86b80bc379470947a594d9755e98bbf37488cb96b1094f0bde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3c7aef9043c86b80bc379470947a594d9755e98bbf37488cb96b1094f0bde5", kill_on_drop: false }`
[INFO] [stdout] 6c3c7aef9043c86b80bc379470947a594d9755e98bbf37488cb96b1094f0bde5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6f948ae63a8bb5e3fab4238ad6298d8cd6aaa24f70d9d6bc32b4195bd18bb2
[INFO] running `Command { std: "docker" "start" "-a" "9a6f948ae63a8bb5e3fab4238ad6298d8cd6aaa24f70d9d6bc32b4195bd18bb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefer-dynamic v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "9a6f948ae63a8bb5e3fab4238ad6298d8cd6aaa24f70d9d6bc32b4195bd18bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6f948ae63a8bb5e3fab4238ad6298d8cd6aaa24f70d9d6bc32b4195bd18bb2", kill_on_drop: false }`
[INFO] [stdout] 9a6f948ae63a8bb5e3fab4238ad6298d8cd6aaa24f70d9d6bc32b4195bd18bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+acb8934fd57b3c2740c4abac0a5728c2c9b1423b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a8f16868047d9606d6b8a893df3a463260ae9200929641abaa633d5d427251c
[INFO] running `Command { std: "docker" "start" "-a" "4a8f16868047d9606d6b8a893df3a463260ae9200929641abaa633d5d427251c", 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-616a422758dc957e)
[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" "4a8f16868047d9606d6b8a893df3a463260ae9200929641abaa633d5d427251c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8f16868047d9606d6b8a893df3a463260ae9200929641abaa633d5d427251c", kill_on_drop: false }`
[INFO] [stdout] 4a8f16868047d9606d6b8a893df3a463260ae9200929641abaa633d5d427251c