[INFO] fetching crate grammers-mtsender 0.3.0...
[INFO] checking grammers-mtsender-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate grammers-mtsender 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grammers-mtsender 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grammers-mtsender 0.3.0
[INFO] finished tweaking crates.io crate grammers-mtsender 0.3.0
[INFO] tweaked toml for crates.io crate grammers-mtsender 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26388ea6d67831163c9bf40a0d69356d37a5ae4d89307dcc31450e0194b3dbe1
[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" "26388ea6d67831163c9bf40a0d69356d37a5ae4d89307dcc31450e0194b3dbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26388ea6d67831163c9bf40a0d69356d37a5ae4d89307dcc31450e0194b3dbe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26388ea6d67831163c9bf40a0d69356d37a5ae4d89307dcc31450e0194b3dbe1", kill_on_drop: false }`
[INFO] [stdout] 26388ea6d67831163c9bf40a0d69356d37a5ae4d89307dcc31450e0194b3dbe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] b4d65c36acbc3c62ef04a9c223a70f56ee60084cd1968d0a7eaccb6f8dedb225
[INFO] running `Command { std: "docker" "start" "-a" "b4d65c36acbc3c62ef04a9c223a70f56ee60084cd1968d0a7eaccb6f8dedb225", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]    Compiling grammers-tl-parser v1.0.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]    Compiling grammers-tl-gen v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling grammers-tl-types v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking glass_pumpkin v1.0.0
[INFO] [stderr]     Checking grammers-crypto v0.3.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking grammers-mtproto v0.3.0
[INFO] [stderr]     Checking grammers-mtsender v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.58s
[INFO] running `Command { std: "docker" "inspect" "b4d65c36acbc3c62ef04a9c223a70f56ee60084cd1968d0a7eaccb6f8dedb225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d65c36acbc3c62ef04a9c223a70f56ee60084cd1968d0a7eaccb6f8dedb225", kill_on_drop: false }`
[INFO] [stdout] b4d65c36acbc3c62ef04a9c223a70f56ee60084cd1968d0a7eaccb6f8dedb225