[INFO] fetching crate cdrs-tokio 4.0.0...
[INFO] checking cdrs-tokio-4.0.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate cdrs-tokio 4.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cdrs-tokio 4.0.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdrs-tokio 4.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cdrs-tokio 4.0.0
[INFO] tweaked toml for crates.io crate cdrs-tokio 4.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cdrs-tokio 4.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b942c364551940530bc03bca9eadb4c6ccac6cfbb7093c141706cdf5f3d55c8b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b942c364551940530bc03bca9eadb4c6ccac6cfbb7093c141706cdf5f3d55c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b942c364551940530bc03bca9eadb4c6ccac6cfbb7093c141706cdf5f3d55c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b942c364551940530bc03bca9eadb4c6ccac6cfbb7093c141706cdf5f3d55c8b", kill_on_drop: false }`
[INFO] [stdout] b942c364551940530bc03bca9eadb4c6ccac6cfbb7093c141706cdf5f3d55c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eeaeeef8cf6cbe67f116dd50ae38639f19c3ed8c9e1a4d5f505ef2814251068
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1eeaeeef8cf6cbe67f116dd50ae38639f19c3ed8c9e1a4d5f505ef2814251068", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling const_fn v0.4.7
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling snap v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking float_eq v0.5.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lz4-compress v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling proc-macro2 v0.1.10
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling cdrs-tokio-helpers-derive v3.0.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking bb8 v0.7.0
[INFO] [stderr]     Checking cdrs-tokio v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.03s
[INFO] running `Command { std: "docker" "inspect" "1eeaeeef8cf6cbe67f116dd50ae38639f19c3ed8c9e1a4d5f505ef2814251068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eeaeeef8cf6cbe67f116dd50ae38639f19c3ed8c9e1a4d5f505ef2814251068", kill_on_drop: false }`
[INFO] [stdout] 1eeaeeef8cf6cbe67f116dd50ae38639f19c3ed8c9e1a4d5f505ef2814251068