[INFO] fetching crate circulate 0.1.0-dev.1...
[INFO] checking circulate-0.1.0-dev.1 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate circulate 0.1.0-dev.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate circulate 0.1.0-dev.1 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circulate 0.1.0-dev.1
[INFO] finished tweaking crates.io crate circulate 0.1.0-dev.1
[INFO] tweaked toml for crates.io crate circulate 0.1.0-dev.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate circulate 0.1.0-dev.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea1d104c06451854ccacfb21d8b302310e1bb0aa94c99ba393706bf8c8780bd7
[INFO] running `Command { std: "docker" "start" "-a" "ea1d104c06451854ccacfb21d8b302310e1bb0aa94c99ba393706bf8c8780bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea1d104c06451854ccacfb21d8b302310e1bb0aa94c99ba393706bf8c8780bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1d104c06451854ccacfb21d8b302310e1bb0aa94c99ba393706bf8c8780bd7", kill_on_drop: false }`
[INFO] [stdout] ea1d104c06451854ccacfb21d8b302310e1bb0aa94c99ba393706bf8c8780bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68b56f40e5b93bd4fda290adb8bf11d2bb904e39eb63aa9fd21569c64757b18f
[INFO] running `Command { std: "docker" "start" "-a" "68b56f40e5b93bd4fda290adb8bf11d2bb904e39eb63aa9fd21569c64757b18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]     Checking spinning_top v0.2.3
[INFO] [stderr]     Checking nanorand v0.5.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking flume v0.10.5
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking circulate v0.1.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.46s
[INFO] running `Command { std: "docker" "inspect" "68b56f40e5b93bd4fda290adb8bf11d2bb904e39eb63aa9fd21569c64757b18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b56f40e5b93bd4fda290adb8bf11d2bb904e39eb63aa9fd21569c64757b18f", kill_on_drop: false }`
[INFO] [stdout] 68b56f40e5b93bd4fda290adb8bf11d2bb904e39eb63aa9fd21569c64757b18f