[INFO] fetching crate rc_collections 0.1.0...
[INFO] testing rc_collections-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rc_collections 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rc_collections 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rc_collections 0.1.0
[INFO] finished tweaking crates.io crate rc_collections 0.1.0
[INFO] tweaked toml for crates.io crate rc_collections 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rc_collections 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] 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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7ec532c42107f07bf6b30a5622989afc483575810e6d63d75ae5c46e03d7507
[INFO] running `Command { std: "docker" "start" "-a" "b7ec532c42107f07bf6b30a5622989afc483575810e6d63d75ae5c46e03d7507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7ec532c42107f07bf6b30a5622989afc483575810e6d63d75ae5c46e03d7507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ec532c42107f07bf6b30a5622989afc483575810e6d63d75ae5c46e03d7507", kill_on_drop: false }`
[INFO] [stdout] b7ec532c42107f07bf6b30a5622989afc483575810e6d63d75ae5c46e03d7507
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53fd520687878a088f71afef722f99d308619d2d9c6bcdafdccd6d28ad892c19
[INFO] running `Command { std: "docker" "start" "-a" "53fd520687878a088f71afef722f99d308619d2d9c6bcdafdccd6d28ad892c19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rc_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "53fd520687878a088f71afef722f99d308619d2d9c6bcdafdccd6d28ad892c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fd520687878a088f71afef722f99d308619d2d9c6bcdafdccd6d28ad892c19", kill_on_drop: false }`
[INFO] [stdout] 53fd520687878a088f71afef722f99d308619d2d9c6bcdafdccd6d28ad892c19
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90cebc04032c6c0be9f4a3ba1d49c670559cf8e36f37649bd5c1842bdf56eaaf
[INFO] running `Command { std: "docker" "start" "-a" "90cebc04032c6c0be9f4a3ba1d49c670559cf8e36f37649bd5c1842bdf56eaaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "90cebc04032c6c0be9f4a3ba1d49c670559cf8e36f37649bd5c1842bdf56eaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90cebc04032c6c0be9f4a3ba1d49c670559cf8e36f37649bd5c1842bdf56eaaf", kill_on_drop: false }`
[INFO] [stdout] 90cebc04032c6c0be9f4a3ba1d49c670559cf8e36f37649bd5c1842bdf56eaaf
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0d8a9b3e23051d9d7c369527aece17e0d880603f509345bdcee6247bc3ad8abc
[INFO] running `Command { std: "docker" "start" "-a" "0d8a9b3e23051d9d7c369527aece17e0d880603f509345bdcee6247bc3ad8abc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_collections-c0e09803b75c7c77)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::arc_string_faster ... ok
[INFO] [stdout] test test::rrc_string_faster ... ok
[INFO] [stdout] test test::rc_vec_faster ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.77s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rc_collections
[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" "0d8a9b3e23051d9d7c369527aece17e0d880603f509345bdcee6247bc3ad8abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8a9b3e23051d9d7c369527aece17e0d880603f509345bdcee6247bc3ad8abc", kill_on_drop: false }`
[INFO] [stdout] 0d8a9b3e23051d9d7c369527aece17e0d880603f509345bdcee6247bc3ad8abc