[INFO] fetching crate speedtest 0.0.0...
[INFO] checking speedtest-0.0.0 against try#388b725dea7416978ab58ab1f908139d530308a7 for pr-99943
[INFO] extracting crate speedtest 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate speedtest 0.0.0 on toolchain 388b725dea7416978ab58ab1f908139d530308a7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate speedtest 0.0.0
[INFO] finished tweaking crates.io crate speedtest 0.0.0
[INFO] tweaked toml for crates.io crate speedtest 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5274f3f84f7435577c2d7a227153831eb472241483c7e1e3112c7f9eebbc038
[INFO] running `Command { std: "docker" "start" "-a" "a5274f3f84f7435577c2d7a227153831eb472241483c7e1e3112c7f9eebbc038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5274f3f84f7435577c2d7a227153831eb472241483c7e1e3112c7f9eebbc038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5274f3f84f7435577c2d7a227153831eb472241483c7e1e3112c7f9eebbc038", kill_on_drop: false }`
[INFO] [stdout] a5274f3f84f7435577c2d7a227153831eb472241483c7e1e3112c7f9eebbc038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+388b725dea7416978ab58ab1f908139d530308a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 958f68de15e2cf2a296b85051227c5ac266505f6f2d3aeb8465b7fb22ec7869a
[INFO] running `Command { std: "docker" "start" "-a" "958f68de15e2cf2a296b85051227c5ac266505f6f2d3aeb8465b7fb22ec7869a", kill_on_drop: false }`
[INFO] [stderr]     Checking speedtest v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "958f68de15e2cf2a296b85051227c5ac266505f6f2d3aeb8465b7fb22ec7869a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958f68de15e2cf2a296b85051227c5ac266505f6f2d3aeb8465b7fb22ec7869a", kill_on_drop: false }`
[INFO] [stdout] 958f68de15e2cf2a296b85051227c5ac266505f6f2d3aeb8465b7fb22ec7869a