[INFO] fetching crate fb_futures_01_ext 0.1.0...
[INFO] checking fb_futures_01_ext-0.1.0 against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] extracting crate fb_futures_01_ext 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate fb_futures_01_ext 0.1.0
[INFO] finished tweaking crates.io crate fb_futures_01_ext 0.1.0
[INFO] tweaked toml for crates.io crate fb_futures_01_ext 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fb_futures_01_ext 0.1.0 on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.11.1)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_filter v1.0.1
[INFO] [stderr]   Downloaded quickcheck v1.1.0
[INFO] [stderr]   Downloaded env_logger v0.11.10
[INFO] [stderr]   Downloaded fb_cloned v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7deab4e571bf92070e9ebee2a4f3e4368e3a2035a40c29192479998f0cbb7a59
[INFO] running `Command { std: "docker" "start" "-a" "7deab4e571bf92070e9ebee2a4f3e4368e3a2035a40c29192479998f0cbb7a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7deab4e571bf92070e9ebee2a4f3e4368e3a2035a40c29192479998f0cbb7a59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7deab4e571bf92070e9ebee2a4f3e4368e3a2035a40c29192479998f0cbb7a59", kill_on_drop: false }`
[INFO] [stdout] 7deab4e571bf92070e9ebee2a4f3e4368e3a2035a40c29192479998f0cbb7a59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66434173a1b3ce0511d83ffb1028d705486e31a9c03959e1c705ebd937c28580
[INFO] running `Command { std: "docker" "start" "-a" "66434173a1b3ce0511d83ffb1028d705486e31a9c03959e1c705ebd937c28580", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking fb_cloned v0.1.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking rand v0.10.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking fb_futures_01_ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tokio v1.52.1
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking env_filter v1.0.1
[INFO] [stderr]     Checking env_logger v0.11.10
[INFO] [stderr]     Checking quickcheck v1.1.0
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] running `Command { std: "docker" "inspect" "66434173a1b3ce0511d83ffb1028d705486e31a9c03959e1c705ebd937c28580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66434173a1b3ce0511d83ffb1028d705486e31a9c03959e1c705ebd937c28580", kill_on_drop: false }`
[INFO] [stdout] 66434173a1b3ce0511d83ffb1028d705486e31a9c03959e1c705ebd937c28580