[INFO] fetching crate exonum-keys 1.0.0...
[INFO] checking exonum-keys-1.0.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate exonum-keys 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate exonum-keys 1.0.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum-keys 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate exonum-keys 1.0.0
[INFO] tweaked toml for crates.io crate exonum-keys 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate exonum-keys 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 94e2fd8ff5493a9e1c9d790de340b0351eca9fb71e565d84d8d5b2b3321aed07
[INFO] running `Command { std: "docker" "start" "-a" "94e2fd8ff5493a9e1c9d790de340b0351eca9fb71e565d84d8d5b2b3321aed07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e2fd8ff5493a9e1c9d790de340b0351eca9fb71e565d84d8d5b2b3321aed07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e2fd8ff5493a9e1c9d790de340b0351eca9fb71e565d84d8d5b2b3321aed07", kill_on_drop: false }`
[INFO] [stdout] 94e2fd8ff5493a9e1c9d790de340b0351eca9fb71e565d84d8d5b2b3321aed07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12fab7bed3762642d4e25656c7fd42c66a5335f371cefd20c5549f49c72ff328
[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" "12fab7bed3762642d4e25656c7fd42c66a5335f371cefd20c5549f49c72ff328", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking serde v1.0.105
[INFO] [stderr]    Compiling protoc v2.12.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking secret-tree v0.2.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking base64-serde v0.5.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking exonum_sodiumoxide v0.0.23
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling exonum-derive v1.0.0
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]    Compiling protobuf v2.12.0
[INFO] [stderr]     Checking pwbox v0.3.0
[INFO] [stderr]    Compiling protobuf-codegen v2.12.0
[INFO] [stderr]    Compiling protoc-rust v2.12.0
[INFO] [stderr]    Compiling exonum-build v1.0.0
[INFO] [stderr]    Compiling exonum-proto v1.0.0
[INFO] [stderr]    Compiling protobuf-convert v0.4.0
[INFO] [stderr]    Compiling exonum-crypto v1.0.0
[INFO] [stderr]     Checking exonum-keys v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "12fab7bed3762642d4e25656c7fd42c66a5335f371cefd20c5549f49c72ff328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fab7bed3762642d4e25656c7fd42c66a5335f371cefd20c5549f49c72ff328", kill_on_drop: false }`
[INFO] [stdout] 12fab7bed3762642d4e25656c7fd42c66a5335f371cefd20c5549f49c72ff328