[INFO] fetching crate varu64 0.7.0...
[INFO] testing varu64-0.7.0 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025-2
[INFO] extracting crate varu64 0.7.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate varu64 0.7.0 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varu64 0.7.0
[INFO] finished tweaking crates.io crate varu64 0.7.0
[INFO] tweaked toml for crates.io crate varu64 0.7.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c55e1d8b9b2769a4ee1e8e34ca5444ea83332381799da0117cdfe41e53ba4d3
[INFO] running `Command { std: "docker" "start" "-a" "7c55e1d8b9b2769a4ee1e8e34ca5444ea83332381799da0117cdfe41e53ba4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c55e1d8b9b2769a4ee1e8e34ca5444ea83332381799da0117cdfe41e53ba4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c55e1d8b9b2769a4ee1e8e34ca5444ea83332381799da0117cdfe41e53ba4d3", kill_on_drop: false }`
[INFO] [stdout] 7c55e1d8b9b2769a4ee1e8e34ca5444ea83332381799da0117cdfe41e53ba4d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae57a53a2b952514b31fb0e64753c100885bcb5a4f7a25110670825be80deafc
[INFO] running `Command { std: "docker" "start" "-a" "ae57a53a2b952514b31fb0e64753c100885bcb5a4f7a25110670825be80deafc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling varu64 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "ae57a53a2b952514b31fb0e64753c100885bcb5a4f7a25110670825be80deafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae57a53a2b952514b31fb0e64753c100885bcb5a4f7a25110670825be80deafc", kill_on_drop: false }`
[INFO] [stdout] ae57a53a2b952514b31fb0e64753c100885bcb5a4f7a25110670825be80deafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4468d45109a7065b1b6ff381e894f4af324351b4b24f0bc11b0402dcd906743
[INFO] running `Command { std: "docker" "start" "-a" "c4468d45109a7065b1b6ff381e894f4af324351b4b24f0bc11b0402dcd906743", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling varu64 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/varu64-57e1cf7944165e0d)
[INFO] running `Command { std: "docker" "inspect" "c4468d45109a7065b1b6ff381e894f4af324351b4b24f0bc11b0402dcd906743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4468d45109a7065b1b6ff381e894f4af324351b4b24f0bc11b0402dcd906743", kill_on_drop: false }`
[INFO] [stdout] c4468d45109a7065b1b6ff381e894f4af324351b4b24f0bc11b0402dcd906743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8e74f83d8be7a6817149291d468e9857b30d0237559c08d57ca9d54ac708640
[INFO] running `Command { std: "docker" "start" "-a" "a8e74f83d8be7a6817149291d468e9857b30d0237559c08d57ca9d54ac708640", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varu64-57e1cf7944165e0d)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::decode_non_zero_u64_no_panic_with_too_large_encoded_value ... ok
[INFO] [stdout] test nb::tests::test_decoder ... ok
[INFO] [stdout] test tests::encode_decode_non_zero_u64 ... ok
[INFO] [stdout] test nb::tests::test_length_value_encoder ... ok
[INFO] [stdout] test nb::tests::test_length_value_decoder ... ok
[INFO] [stdout] test tests::fixtures ... ok
[INFO] [stdout] test nb::tests::test_encoder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varu64
[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" "a8e74f83d8be7a6817149291d468e9857b30d0237559c08d57ca9d54ac708640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e74f83d8be7a6817149291d468e9857b30d0237559c08d57ca9d54ac708640", kill_on_drop: false }`
[INFO] [stdout] a8e74f83d8be7a6817149291d468e9857b30d0237559c08d57ca9d54ac708640