[INFO] fetching crate async-scoped 0.6.1...
[INFO] checking async-scoped-0.6.1 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate async-scoped 0.6.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate async-scoped 0.6.1 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-scoped 0.6.1
[INFO] finished tweaking crates.io crate async-scoped 0.6.1
[INFO] tweaked toml for crates.io crate async-scoped 0.6.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-log-attributes v1.0.1
[INFO] [stderr]   Downloaded async-log v1.1.0
[INFO] [stderr]   Downloaded femme v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3192d4eda7c2b895c3f188997ecb618f28b9a2accbd573dc1ae556f6ae6fb1be
[INFO] running `Command { std: "docker" "start" "-a" "3192d4eda7c2b895c3f188997ecb618f28b9a2accbd573dc1ae556f6ae6fb1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3192d4eda7c2b895c3f188997ecb618f28b9a2accbd573dc1ae556f6ae6fb1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3192d4eda7c2b895c3f188997ecb618f28b9a2accbd573dc1ae556f6ae6fb1be", kill_on_drop: false }`
[INFO] [stdout] 3192d4eda7c2b895c3f188997ecb618f28b9a2accbd573dc1ae556f6ae6fb1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac5f37ae56e8dc1885704b979ffa8a9fc33c3cc093783acd215d9b069e5b7c6a
[INFO] running `Command { std: "docker" "start" "-a" "ac5f37ae56e8dc1885704b979ffa8a9fc33c3cc093783acd215d9b069e5b7c6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking async-scoped v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]     Checking async-log v1.1.0
[INFO] [stderr]     Checking femme v1.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `Command { std: "docker" "inspect" "ac5f37ae56e8dc1885704b979ffa8a9fc33c3cc093783acd215d9b069e5b7c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5f37ae56e8dc1885704b979ffa8a9fc33c3cc093783acd215d9b069e5b7c6a", kill_on_drop: false }`
[INFO] [stdout] ac5f37ae56e8dc1885704b979ffa8a9fc33c3cc093783acd215d9b069e5b7c6a