[INFO] fetching crate ssb-verify-signatures 1.0.0...
[INFO] checking ssb-verify-signatures-1.0.0 against beta for pr-78714
[INFO] extracting crate ssb-verify-signatures 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ssb-verify-signatures 1.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssb-verify-signatures 1.0.0
[INFO] finished tweaking crates.io crate ssb-verify-signatures 1.0.0
[INFO] tweaked toml for crates.io crate ssb-verify-signatures 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] fcecca4605198c95ffd29fdc99fc706ff68accd31fe2bf40cb1939f4e706483a
[INFO] running `Command { std: "docker" "start" "-a" "fcecca4605198c95ffd29fdc99fc706ff68accd31fe2bf40cb1939f4e706483a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcecca4605198c95ffd29fdc99fc706ff68accd31fe2bf40cb1939f4e706483a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcecca4605198c95ffd29fdc99fc706ff68accd31fe2bf40cb1939f4e706483a", kill_on_drop: false }`
[INFO] [stdout] fcecca4605198c95ffd29fdc99fc706ff68accd31fe2bf40cb1939f4e706483a
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a9005692affc951c3e3c314cb6171244b2c25221a63fa2e786dcdaf9d6a39b7
[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" "0a9005692affc951c3e3c314cb6171244b2c25221a63fa2e786dcdaf9d6a39b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]     Checking strtod2 v0.0.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking ed25519-dalek v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling snafu-derive v0.6.9
[INFO] [stderr]     Checking snafu v0.6.9
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking ssb-legacy-msg-data v0.1.2
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking ssb-verify-signatures v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "0a9005692affc951c3e3c314cb6171244b2c25221a63fa2e786dcdaf9d6a39b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9005692affc951c3e3c314cb6171244b2c25221a63fa2e786dcdaf9d6a39b7", kill_on_drop: false }`
[INFO] [stdout] 0a9005692affc951c3e3c314cb6171244b2c25221a63fa2e786dcdaf9d6a39b7