[INFO] fetching crate iota-core 0.2.0-alpha.3...
[INFO] checking iota-core-0.2.0-alpha.3 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate iota-core 0.2.0-alpha.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iota-core 0.2.0-alpha.3 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iota-core 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate iota-core 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate iota-core 0.2.0-alpha.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iota-pow-preview v0.1.0
[INFO] [stderr]   Downloaded iota-signing-preview v0.1.0
[INFO] [stderr]   Downloaded iota-conversion v0.5.1
[INFO] [stderr]   Downloaded iota-bundle-preview v0.1.0
[INFO] [stderr]   Downloaded iota-client v0.5.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a5f2c02b51c6d30fe405abc99f35c18af10e4ca89a06d28f12007daeaa96d94
[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" "6a5f2c02b51c6d30fe405abc99f35c18af10e4ca89a06d28f12007daeaa96d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5f2c02b51c6d30fe405abc99f35c18af10e4ca89a06d28f12007daeaa96d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5f2c02b51c6d30fe405abc99f35c18af10e4ca89a06d28f12007daeaa96d94", kill_on_drop: false }`
[INFO] [stdout] 6a5f2c02b51c6d30fe405abc99f35c18af10e4ca89a06d28f12007daeaa96d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9235c53d460400ed272d0286198800c4ec4f8779a6db78adc4e5fc925a1f19
[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" "6b9235c53d460400ed272d0286198800c4ec4f8779a6db78adc4e5fc925a1f19", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking iota-constants v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking iota-conversion v0.5.1
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking iota-ternary-preview v0.1.0
[INFO] [stderr]     Checking iota-crypto-preview v0.1.0
[INFO] [stderr]     Checking iota-pow-preview v0.1.0
[INFO] [stderr]     Checking iota-signing-preview v0.1.0
[INFO] [stderr]     Checking iota-bundle-preview v0.1.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking iota-client v0.5.0-alpha.3
[INFO] [stderr]     Checking iota-core v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "6b9235c53d460400ed272d0286198800c4ec4f8779a6db78adc4e5fc925a1f19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9235c53d460400ed272d0286198800c4ec4f8779a6db78adc4e5fc925a1f19", kill_on_drop: false }`
[INFO] [stdout] 6b9235c53d460400ed272d0286198800c4ec4f8779a6db78adc4e5fc925a1f19