[INFO] fetching crate safemem 0.3.3...
[INFO] testing safemem-0.3.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate safemem 0.3.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate safemem 0.3.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safemem 0.3.3
[INFO] finished tweaking crates.io crate safemem 0.3.3
[INFO] tweaked toml for crates.io crate safemem 0.3.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00ed0a63790a592f7391f5a85f446ef17b70e1df10f0aad412286bd5a749da42
[INFO] running `Command { std: "docker" "start" "-a" "00ed0a63790a592f7391f5a85f446ef17b70e1df10f0aad412286bd5a749da42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ed0a63790a592f7391f5a85f446ef17b70e1df10f0aad412286bd5a749da42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ed0a63790a592f7391f5a85f446ef17b70e1df10f0aad412286bd5a749da42", kill_on_drop: false }`
[INFO] [stdout] 00ed0a63790a592f7391f5a85f446ef17b70e1df10f0aad412286bd5a749da42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eca1b66b87b29f5457bf4bcc45469e082db177bf4e5b6f5a9d81313469a30f53
[INFO] running `Command { std: "docker" "start" "-a" "eca1b66b87b29f5457bf4bcc45469e082db177bf4e5b6f5a9d81313469a30f53", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemem v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "eca1b66b87b29f5457bf4bcc45469e082db177bf4e5b6f5a9d81313469a30f53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca1b66b87b29f5457bf4bcc45469e082db177bf4e5b6f5a9d81313469a30f53", kill_on_drop: false }`
[INFO] [stdout] eca1b66b87b29f5457bf4bcc45469e082db177bf4e5b6f5a9d81313469a30f53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01027ffa7846247ac3a7b53d61046b2c67bbbd7dc6d14671873cfa7901a80cb6
[INFO] running `Command { std: "docker" "start" "-a" "01027ffa7846247ac3a7b53d61046b2c67bbbd7dc6d14671873cfa7901a80cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemem v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "01027ffa7846247ac3a7b53d61046b2c67bbbd7dc6d14671873cfa7901a80cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01027ffa7846247ac3a7b53d61046b2c67bbbd7dc6d14671873cfa7901a80cb6", kill_on_drop: false }`
[INFO] [stdout] 01027ffa7846247ac3a7b53d61046b2c67bbbd7dc6d14671873cfa7901a80cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4da29cb52fb81dc6f10ce4d3a1f7969b3c8f50e7582ed659fc30086b13d2d2a7
[INFO] running `Command { std: "docker" "start" "-a" "4da29cb52fb81dc6f10ce4d3a1f7969b3c8f50e7582ed659fc30086b13d2d2a7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safemem-84949d85b699de7d)
[INFO] [stdout] test tests::copy_empty ... ok
[INFO] [stdout] test tests::prepend_empty ... ok
[INFO] [stdout] test tests::prepend_i32 ... ok
[INFO] [stderr]    Doc-tests safemem
[INFO] [stdout] test tests::bounds_check - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "4da29cb52fb81dc6f10ce4d3a1f7969b3c8f50e7582ed659fc30086b13d2d2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da29cb52fb81dc6f10ce4d3a1f7969b3c8f50e7582ed659fc30086b13d2d2a7", kill_on_drop: false }`
[INFO] [stdout] 4da29cb52fb81dc6f10ce4d3a1f7969b3c8f50e7582ed659fc30086b13d2d2a7