[INFO] fetching crate tokio-compat-02 0.1.2...
[INFO] checking tokio-compat-02-0.1.2 against beta for pr-78714
[INFO] extracting crate tokio-compat-02 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-compat-02 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-compat-02 0.1.2
[INFO] finished tweaking crates.io crate tokio-compat-02 0.1.2
[INFO] tweaked toml for crates.io crate tokio-compat-02 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tokio-compat-02 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96d12d25202877ab27ef2f59522d04001ec8c281386773b395650e915edbc146
[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" "96d12d25202877ab27ef2f59522d04001ec8c281386773b395650e915edbc146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96d12d25202877ab27ef2f59522d04001ec8c281386773b395650e915edbc146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d12d25202877ab27ef2f59522d04001ec8c281386773b395650e915edbc146", kill_on_drop: false }`
[INFO] [stdout] 96d12d25202877ab27ef2f59522d04001ec8c281386773b395650e915edbc146
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 20e081653b38f8378cc046effa44bce623353c165d129931e37c7c7b307a6354
[INFO] running `Command { std: "docker" "start" "-a" "20e081653b38f8378cc046effa44bce623353c165d129931e37c7c7b307a6354", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.3
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]     Checking tokio v0.3.0
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-compat-02 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.79s
[INFO] running `Command { std: "docker" "inspect" "20e081653b38f8378cc046effa44bce623353c165d129931e37c7c7b307a6354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e081653b38f8378cc046effa44bce623353c165d129931e37c7c7b307a6354", kill_on_drop: false }`
[INFO] [stdout] 20e081653b38f8378cc046effa44bce623353c165d129931e37c7c7b307a6354