[INFO] fetching crate vapor_archive 0.1.0...
[INFO] checking vapor_archive-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate vapor_archive 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vapor_archive 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vapor_archive 0.1.0
[INFO] finished tweaking crates.io crate vapor_archive 0.1.0
[INFO] tweaked toml for crates.io crate vapor_archive 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63f3102851fb4da81e1675c5d931813814c2f9834511c232ac17aa607cdb5140
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "63f3102851fb4da81e1675c5d931813814c2f9834511c232ac17aa607cdb5140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63f3102851fb4da81e1675c5d931813814c2f9834511c232ac17aa607cdb5140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f3102851fb4da81e1675c5d931813814c2f9834511c232ac17aa607cdb5140", kill_on_drop: false }`
[INFO] [stdout] 63f3102851fb4da81e1675c5d931813814c2f9834511c232ac17aa607cdb5140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87f59048c75041f75ac5d904b2f893a35bbc6f7ebee0652d4563d21fa6b14951
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87f59048c75041f75ac5d904b2f893a35bbc6f7ebee0652d4563d21fa6b14951", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Checking vapor_archive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Blake2s`
[INFO] [stdout]  --> tests/write.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |         Blake2s,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]   --> tests/write.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         Read,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |         Write
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> tests/write.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Digest
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "87f59048c75041f75ac5d904b2f893a35bbc6f7ebee0652d4563d21fa6b14951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f59048c75041f75ac5d904b2f893a35bbc6f7ebee0652d4563d21fa6b14951", kill_on_drop: false }`
[INFO] [stdout] 87f59048c75041f75ac5d904b2f893a35bbc6f7ebee0652d4563d21fa6b14951
