[INFO] fetching crate disco 0.1.0...
[INFO] checking disco-0.1.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate disco 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate disco 0.1.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disco 0.1.0
[INFO] finished tweaking crates.io crate disco 0.1.0
[INFO] tweaked toml for crates.io crate disco 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate disco 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded x25519-dalek v0.6.0
[INFO] [stderr]   Downloaded strobe-rs v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 606b90c70ab3ce744d28482c06342ac619d0816b13786726bf758a50017c6387
[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" "606b90c70ab3ce744d28482c06342ac619d0816b13786726bf758a50017c6387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "606b90c70ab3ce744d28482c06342ac619d0816b13786726bf758a50017c6387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606b90c70ab3ce744d28482c06342ac619d0816b13786726bf758a50017c6387", kill_on_drop: false }`
[INFO] [stdout] 606b90c70ab3ce744d28482c06342ac619d0816b13786726bf758a50017c6387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f49689ef9b4e5c1f8356df89b38c9549fe86e06815fa4040b75525a5aa9ad1
[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" "35f49689ef9b4e5c1f8356df89b38c9549fe86e06815fa4040b75525a5aa9ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking strobe-rs v0.5.2
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking disco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.91s
[INFO] running `Command { std: "docker" "inspect" "35f49689ef9b4e5c1f8356df89b38c9549fe86e06815fa4040b75525a5aa9ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f49689ef9b4e5c1f8356df89b38c9549fe86e06815fa4040b75525a5aa9ad1", kill_on_drop: false }`
[INFO] [stdout] 35f49689ef9b4e5c1f8356df89b38c9549fe86e06815fa4040b75525a5aa9ad1