[INFO] cloning repository https://github.com/twitchax/rusty_socks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twitchax/rusty_socks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6f7285f7dc90889b6428d08045aba22b44faf61
[INFO] checking twitchax/rusty_socks against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwitchax%2Frusty_socks" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twitchax/rusty_socks on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twitchax/rusty_socks
[INFO] finished tweaking git repo https://github.com/twitchax/rusty_socks
[INFO] tweaked toml for git repo https://github.com/twitchax/rusty_socks written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/twitchax/rusty_socks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.23.0
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded simple_logger v1.3.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded syntex v0.42.2
[INFO] [stderr]   Downloaded syntex_pos v0.42.0
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded pnet_transport v0.23.0
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded pnet_sys v0.23.0
[INFO] [stderr]   Downloaded syntex_errors v0.42.0
[INFO] [stderr]   Downloaded pnet v0.23.0
[INFO] [stderr]   Downloaded pnet_datalink v0.23.0
[INFO] [stderr]   Downloaded bytes v0.5.2
[INFO] [stderr]   Downloaded syntex_syntax v0.42.0
[INFO] [stderr]   Downloaded pnet_macros v0.23.0
[INFO] [stderr]   Downloaded tokio v0.2.4
[INFO] [stderr]   Downloaded pnet_base v0.23.0
[INFO] [stderr]   Downloaded phf_macros v0.8.0
[INFO] [stderr]   Downloaded ipnetwork v0.15.1
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded pnet_packet v0.23.0
[INFO] [stderr]   Downloaded siphasher v0.3.1
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] ad4ebd8aab922ebff1cf163cd5ddcaa6cf9941d2106f38a63829060d2141ca31
[INFO] running `Command { std: "docker" "start" "-a" "ad4ebd8aab922ebff1cf163cd5ddcaa6cf9941d2106f38a63829060d2141ca31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4ebd8aab922ebff1cf163cd5ddcaa6cf9941d2106f38a63829060d2141ca31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4ebd8aab922ebff1cf163cd5ddcaa6cf9941d2106f38a63829060d2141ca31", kill_on_drop: false }`
[INFO] [stdout] ad4ebd8aab922ebff1cf163cd5ddcaa6cf9941d2106f38a63829060d2141ca31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37af8bd88c3856312c7909a39f702c5f03ac888405703d0978237c0deda3c28
[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" "c37af8bd88c3856312c7909a39f702c5f03ac888405703d0978237c0deda3c28", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking pnet_base v0.23.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling pnet v0.23.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking pnet_macros_support v0.23.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking pnet_sys v0.23.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]    Compiling pnet_macros v0.23.0
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]    Compiling pnet_packet v0.23.0
[INFO] [stderr]     Checking ipnetwork v0.15.1
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking pnet_datalink v0.23.0
[INFO] [stderr]     Checking pnet_transport v0.23.0
[INFO] [stderr]     Checking rusty_socks v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `read_timeout`
[INFO] [stdout]   --> src/connection.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     read_timeout: u64
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `read_timeout`
[INFO] [stdout]   --> src/connection.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     read_timeout: u64
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "c37af8bd88c3856312c7909a39f702c5f03ac888405703d0978237c0deda3c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37af8bd88c3856312c7909a39f702c5f03ac888405703d0978237c0deda3c28", kill_on_drop: false }`
[INFO] [stdout] c37af8bd88c3856312c7909a39f702c5f03ac888405703d0978237c0deda3c28