[INFO] fetching crate stratos 0.1.11...
[INFO] checking stratos-0.1.11 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate stratos 0.1.11 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate stratos 0.1.11 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stratos 0.1.11
[INFO] finished tweaking crates.io crate stratos 0.1.11
[INFO] tweaked toml for crates.io crate stratos 0.1.11 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate stratos 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 wasm-bindgen-shared v0.2.60
[INFO] [stderr]   Downloaded sct v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.60
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.60
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] [stderr]   Downloaded js-sys v0.3.37
[INFO] [stderr]   Downloaded kern v1.1.6
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded bumpalo v3.2.1
[INFO] [stderr]   Downloaded web-sys v0.3.37
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.60
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] [stderr]   Downloaded lhi v0.0.0-dev.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c454c09633f35d5a937749e7892dfce4739a858c2d95267e22161b4be84a88b
[INFO] running `Command { std: "docker" "start" "-a" "9c454c09633f35d5a937749e7892dfce4739a858c2d95267e22161b4be84a88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c454c09633f35d5a937749e7892dfce4739a858c2d95267e22161b4be84a88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c454c09633f35d5a937749e7892dfce4739a858c2d95267e22161b4be84a88b", kill_on_drop: false }`
[INFO] [stdout] 9c454c09633f35d5a937749e7892dfce4739a858c2d95267e22161b4be84a88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ab661c9fbdbbd3963d90ee69723d06163757189991dcd01b56307fe0f47e2cf
[INFO] running `Command { std: "docker" "start" "-a" "7ab661c9fbdbbd3963d90ee69723d06163757189991dcd01b56307fe0f47e2cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking svg v0.7.2
[INFO] [stderr]     Checking kern v1.1.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking lhi v0.0.0-dev.13
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking plotlib v0.5.1
[INFO] [stderr]     Checking stratos v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.06s
[INFO] running `Command { std: "docker" "inspect" "7ab661c9fbdbbd3963d90ee69723d06163757189991dcd01b56307fe0f47e2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab661c9fbdbbd3963d90ee69723d06163757189991dcd01b56307fe0f47e2cf", kill_on_drop: false }`
[INFO] [stdout] 7ab661c9fbdbbd3963d90ee69723d06163757189991dcd01b56307fe0f47e2cf