[INFO] crate signatory-ring 0.20.0 is already in cache
[INFO] building signatory-ring-0.20.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate signatory-ring 0.20.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate signatory-ring 0.20.0 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 signatory-ring 0.20.0
[INFO] finished tweaking crates.io crate signatory-ring 0.20.0
[INFO] tweaked toml for crates.io crate signatory-ring 0.20.0 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e61aeba34dfb129534cd7d066bec817e056d77a37421944cd33bc8d748dab5b
[INFO] running `Command { std: "docker" "start" "-a" "2e61aeba34dfb129534cd7d066bec817e056d77a37421944cd33bc8d748dab5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e61aeba34dfb129534cd7d066bec817e056d77a37421944cd33bc8d748dab5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e61aeba34dfb129534cd7d066bec817e056d77a37421944cd33bc8d748dab5b", kill_on_drop: false }`
[INFO] [stdout] 2e61aeba34dfb129534cd7d066bec817e056d77a37421944cd33bc8d748dab5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 363e23db40d33aed2af1154db4b6fcea592956006ed42f9840e60b885a22f252
[INFO] running `Command { std: "docker" "start" "-a" "363e23db40d33aed2af1154db4b6fcea592956006ed42f9840e60b885a22f252", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling elliptic-curve v0.4.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling signature v1.1.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling ed25519 v1.0.1
[INFO] [stderr]    Compiling p384 v0.2.0
[INFO] [stderr]    Compiling p256 v0.3.0
[INFO] [stderr]    Compiling ecdsa v0.6.1
[INFO] [stderr]    Compiling signatory v0.20.0
[INFO] [stderr]    Compiling signatory-ring v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `Command { std: "docker" "inspect" "363e23db40d33aed2af1154db4b6fcea592956006ed42f9840e60b885a22f252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363e23db40d33aed2af1154db4b6fcea592956006ed42f9840e60b885a22f252", kill_on_drop: false }`
[INFO] [stdout] 363e23db40d33aed2af1154db4b6fcea592956006ed42f9840e60b885a22f252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d854196a948585135575f891c26d23aa5aa97fe3667a753139c1e731cccc2d2f
[INFO] running `Command { std: "docker" "start" "-a" "d854196a948585135575f891c26d23aa5aa97fe3667a753139c1e731cccc2d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling clap v2.33.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling signatory-ring v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "d854196a948585135575f891c26d23aa5aa97fe3667a753139c1e731cccc2d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d854196a948585135575f891c26d23aa5aa97fe3667a753139c1e731cccc2d2f", kill_on_drop: false }`
[INFO] [stdout] d854196a948585135575f891c26d23aa5aa97fe3667a753139c1e731cccc2d2f