[INFO] fetching crate about-system 0.1.0...
[INFO] checking about-system-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate about-system 0.1.0 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate about-system 0.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate about-system 0.1.0
[INFO] finished tweaking crates.io crate about-system 0.1.0
[INFO] tweaked toml for crates.io crate about-system 0.1.0 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65436f8691db992392a511ca1581b27608703bca7d496c9cee3103eba38a31a2
[INFO] running `Command { std: "docker" "start" "-a" "65436f8691db992392a511ca1581b27608703bca7d496c9cee3103eba38a31a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65436f8691db992392a511ca1581b27608703bca7d496c9cee3103eba38a31a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65436f8691db992392a511ca1581b27608703bca7d496c9cee3103eba38a31a2", kill_on_drop: false }`
[INFO] [stdout] 65436f8691db992392a511ca1581b27608703bca7d496c9cee3103eba38a31a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48fa96a2015f39035a1ad9e04966908b9c4bbb74cb6dbd9069967551b1eb2f8a
[INFO] running `Command { std: "docker" "start" "-a" "48fa96a2015f39035a1ad9e04966908b9c4bbb74cb6dbd9069967551b1eb2f8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling sysinfo v0.3.19
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking rs-release v0.1.7
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking uname v0.1.1
[INFO] [stderr]     Checking cpuid v0.1.1
[INFO] [stderr]     Checking about-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:69:40
[INFO] [stdout]    |
[INFO] [stdout] 69 |             display(s) -> ("{}: {}", s.description(), err)
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:75:40
[INFO] [stdout]    |
[INFO] [stdout] 75 |             display(s) -> ("{}: {}", s.description(), err)
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:69:40
[INFO] [stdout]    |
[INFO] [stdout] 69 |             display(s) -> ("{}: {}", s.description(), err)
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:75:40
[INFO] [stdout]    |
[INFO] [stdout] 75 |             display(s) -> ("{}: {}", s.description(), err)
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48fa96a2015f39035a1ad9e04966908b9c4bbb74cb6dbd9069967551b1eb2f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48fa96a2015f39035a1ad9e04966908b9c4bbb74cb6dbd9069967551b1eb2f8a", kill_on_drop: false }`
[INFO] [stdout] 48fa96a2015f39035a1ad9e04966908b9c4bbb74cb6dbd9069967551b1eb2f8a