[INFO] fetching crate packedvec 1.2.4...
[INFO] testing packedvec-1.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate packedvec 1.2.4 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate packedvec 1.2.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packedvec 1.2.4
[INFO] finished tweaking crates.io crate packedvec 1.2.4
[INFO] tweaked toml for crates.io crate packedvec 1.2.4 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b514bce3397ab072af95fa108aa41c03f7643374938d5a13411c92dd2387002f
[INFO] running `Command { std: "docker" "start" "-a" "b514bce3397ab072af95fa108aa41c03f7643374938d5a13411c92dd2387002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b514bce3397ab072af95fa108aa41c03f7643374938d5a13411c92dd2387002f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b514bce3397ab072af95fa108aa41c03f7643374938d5a13411c92dd2387002f", kill_on_drop: false }`
[INFO] [stdout] b514bce3397ab072af95fa108aa41c03f7643374938d5a13411c92dd2387002f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a25d9c23b6059f8341f4a7172212c0445b4c0cbe5eb2fcac3dc9c7b2df2d8ab4
[INFO] running `Command { std: "docker" "start" "-a" "a25d9c23b6059f8341f4a7172212c0445b4c0cbe5eb2fcac3dc9c7b2df2d8ab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling packedvec v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "a25d9c23b6059f8341f4a7172212c0445b4c0cbe5eb2fcac3dc9c7b2df2d8ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25d9c23b6059f8341f4a7172212c0445b4c0cbe5eb2fcac3dc9c7b2df2d8ab4", kill_on_drop: false }`
[INFO] [stdout] a25d9c23b6059f8341f4a7172212c0445b4c0cbe5eb2fcac3dc9c7b2df2d8ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c22f5b5d2d472f3ed47e4459305e435a4aee4c4366f2f698486fae9a2a0ceb6
[INFO] running `Command { std: "docker" "start" "-a" "9c22f5b5d2d472f3ed47e4459305e435a4aee4c4366f2f698486fae9a2a0ceb6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling packedvec v1.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "9c22f5b5d2d472f3ed47e4459305e435a4aee4c4366f2f698486fae9a2a0ceb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c22f5b5d2d472f3ed47e4459305e435a4aee4c4366f2f698486fae9a2a0ceb6", kill_on_drop: false }`
[INFO] [stdout] 9c22f5b5d2d472f3ed47e4459305e435a4aee4c4366f2f698486fae9a2a0ceb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64d5d4f53f0423a855d64f75a5b4a402557c952f39fe704734708c8836f040c4
[INFO] running `Command { std: "docker" "start" "-a" "64d5d4f53f0423a855d64f75a5b4a402557c952f39fe704734708c8836f040c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/packedvec-33ff24269dfac84f)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::all_values_fit_in_one_item ... ok
[INFO] [stdout] test tests::empty_vec ... ok
[INFO] [stdout] test tests::negative_values ... ok
[INFO] [stdout] test tests::efficient_range ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_delta ... ok
[INFO] [stdout] test tests::value_spanning_two_items ... ok
[INFO] [stdout] test tests::test_inv_delta ... ok
[INFO] [stdout] test tests::vec_u16 ... ok
[INFO] [stdout] test tests::values_fill_bwidth ... ok
[INFO] [stdout] test tests::vec_u32 ... ok
[INFO] [stdout] test tests::vec_u64 ... ok
[INFO] [stdout] test tests::vecs_with_only_one_value ... ok
[INFO] [stdout] test tests::vec_u8 ... ok
[INFO] [stdout] test tests::zero_bits_spanning_across_elements ... ok
[INFO] [stdout] test tests::t_must_not_be_bigger_than_storaget - should panic ... ok
[INFO] [stdout] test tests::random_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests packedvec
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - PackedVec<T, StorageT>::get (line 164) ... ok
[INFO] [stdout] test src/lib.rs - PackedVec<T, StorageT>::get_unchecked (line 190) ... ok
[INFO] [stdout] test src/lib.rs - PackedVec<T, StorageT>::len (line 251) ... ok
[INFO] [stdout] test src/lib.rs - PackedVec<T, StorageT>::is_empty (line 235) ... ok
[INFO] [stdout] test src/lib.rs - PackedVec<T, StorageT>::bwidth (line 265) ... ok
[INFO] [stdout] test src/lib.rs - PackedVec (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64d5d4f53f0423a855d64f75a5b4a402557c952f39fe704734708c8836f040c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d5d4f53f0423a855d64f75a5b4a402557c952f39fe704734708c8836f040c4", kill_on_drop: false }`
[INFO] [stdout] 64d5d4f53f0423a855d64f75a5b4a402557c952f39fe704734708c8836f040c4