[INFO] fetching crate stackfuture 0.2.0...
[INFO] checking stackfuture-0.2.0 against master#77e7b74ad5c0c449fa378faf5edf33dd2e6fed87 for pr-93275-1
[INFO] extracting crate stackfuture 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stackfuture 0.2.0 on toolchain 77e7b74ad5c0c449fa378faf5edf33dd2e6fed87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate stackfuture 0.2.0
[INFO] finished tweaking crates.io crate stackfuture 0.2.0
[INFO] tweaked toml for crates.io crate stackfuture 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futures-channel v0.3.25
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded slab v0.4.7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b72e44c54c6e00d2f87521c831ddd504204ef9e55af20427e64ebadfaf80997
[INFO] running `Command { std: "docker" "start" "-a" "9b72e44c54c6e00d2f87521c831ddd504204ef9e55af20427e64ebadfaf80997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b72e44c54c6e00d2f87521c831ddd504204ef9e55af20427e64ebadfaf80997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b72e44c54c6e00d2f87521c831ddd504204ef9e55af20427e64ebadfaf80997", kill_on_drop: false }`
[INFO] [stdout] 9b72e44c54c6e00d2f87521c831ddd504204ef9e55af20427e64ebadfaf80997
[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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+77e7b74ad5c0c449fa378faf5edf33dd2e6fed87" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0bb727892109d4f28ec497cef8d2480c1cc1948f9f5974d9af4b94ec34266ef
[INFO] running `Command { std: "docker" "start" "-a" "e0bb727892109d4f28ec497cef8d2480c1cc1948f9f5974d9af4b94ec34266ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking stackfuture v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "e0bb727892109d4f28ec497cef8d2480c1cc1948f9f5974d9af4b94ec34266ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0bb727892109d4f28ec497cef8d2480c1cc1948f9f5974d9af4b94ec34266ef", kill_on_drop: false }`
[INFO] [stdout] e0bb727892109d4f28ec497cef8d2480c1cc1948f9f5974d9af4b94ec34266ef