[INFO] fetching crate nanocurrency-protocol 0.7.0...
[INFO] checking nanocurrency-protocol-0.7.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate nanocurrency-protocol 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nanocurrency-protocol 0.7.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanocurrency-protocol 0.7.0
[INFO] finished tweaking crates.io crate nanocurrency-protocol 0.7.0
[INFO] tweaked toml for crates.io crate nanocurrency-protocol 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a849cd3b911b5451a303842269c7284448c65adb155da666c83d47fd5e389a7
[INFO] running `Command { std: "docker" "start" "-a" "0a849cd3b911b5451a303842269c7284448c65adb155da666c83d47fd5e389a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a849cd3b911b5451a303842269c7284448c65adb155da666c83d47fd5e389a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a849cd3b911b5451a303842269c7284448c65adb155da666c83d47fd5e389a7", kill_on_drop: false }`
[INFO] [stdout] 0a849cd3b911b5451a303842269c7284448c65adb155da666c83d47fd5e389a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 265ce73c2e25305b98e7749ed7195eea62063e4532517da457477b7cbd2808e8
[INFO] running `Command { std: "docker" "start" "-a" "265ce73c2e25305b98e7749ed7195eea62063e4532517da457477b7cbd2808e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking ed25519-dalek v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking nanocurrency-types v0.4.0
[INFO] [stderr]     Checking nanocurrency-protocol v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.65s
[INFO] running `Command { std: "docker" "inspect" "265ce73c2e25305b98e7749ed7195eea62063e4532517da457477b7cbd2808e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265ce73c2e25305b98e7749ed7195eea62063e4532517da457477b7cbd2808e8", kill_on_drop: false }`
[INFO] [stdout] 265ce73c2e25305b98e7749ed7195eea62063e4532517da457477b7cbd2808e8