[INFO] fetching crate imgdl 0.2.1...
[INFO] checking imgdl-0.2.1 against beta for pr-78714
[INFO] extracting crate imgdl 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imgdl 0.2.1 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 imgdl 0.2.1
[INFO] finished tweaking crates.io crate imgdl 0.2.1
[INFO] tweaked toml for crates.io crate imgdl 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate imgdl 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ad8d683e945b91b272acf96e4b0340d516184c274a3c1df461f6b694b247734
[INFO] running `Command { std: "docker" "start" "-a" "9ad8d683e945b91b272acf96e4b0340d516184c274a3c1df461f6b694b247734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ad8d683e945b91b272acf96e4b0340d516184c274a3c1df461f6b694b247734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad8d683e945b91b272acf96e4b0340d516184c274a3c1df461f6b694b247734", kill_on_drop: false }`
[INFO] [stdout] 9ad8d683e945b91b272acf96e4b0340d516184c274a3c1df461f6b694b247734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 5b078a18bb8ff58821fb29e119d93d9624a4832c994e01597f3ad1229117d178
[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" "5b078a18bb8ff58821fb29e119d93d9624a4832c994e01597f3ad1229117d178", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking spectacles-model v0.2.0
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking imgdl v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "5b078a18bb8ff58821fb29e119d93d9624a4832c994e01597f3ad1229117d178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b078a18bb8ff58821fb29e119d93d9624a4832c994e01597f3ad1229117d178", kill_on_drop: false }`
[INFO] [stdout] 5b078a18bb8ff58821fb29e119d93d9624a4832c994e01597f3ad1229117d178