[INFO] cloning repository https://github.com/cch123/nc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cch123/nc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcch123%2Fnc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcch123%2Fnc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b64b2033a04d18eae13d70a3fccd88a7dab0512
[INFO] checking cch123/nc against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcch123%2Fnc" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cch123/nc on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cch123/nc
[INFO] finished tweaking git repo https://github.com/cch123/nc
[INFO] tweaked toml for git repo https://github.com/cch123/nc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0d38bae4c262f5e880aa1981335e8ebfff9bdd428cb5dd68d94ddba89dd47d6
[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" "f0d38bae4c262f5e880aa1981335e8ebfff9bdd428cb5dd68d94ddba89dd47d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d38bae4c262f5e880aa1981335e8ebfff9bdd428cb5dd68d94ddba89dd47d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d38bae4c262f5e880aa1981335e8ebfff9bdd428cb5dd68d94ddba89dd47d6", kill_on_drop: false }`
[INFO] [stdout] f0d38bae4c262f5e880aa1981335e8ebfff9bdd428cb5dd68d94ddba89dd47d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9029450bcda3243becdd1fec8180d6bfdd17015f97acde80cc1d042b34371d9d
[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" "9029450bcda3243becdd1fec8180d6bfdd17015f97acde80cc1d042b34371d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.31
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking httpdate v0.3.2
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[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking tinyvec v1.1.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.11
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[INFO] [stderr]     Checking servo_arc v0.1.1
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[INFO] [stderr]     Checking regex-automata v0.1.9
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[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking kuchiki v0.8.1
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.9
[INFO] [stderr]     Checking nc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn parse(body: String) {
[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: function is never used: `parse`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn parse(body: String) {
[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 56s
[INFO] running `Command { std: "docker" "inspect" "9029450bcda3243becdd1fec8180d6bfdd17015f97acde80cc1d042b34371d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9029450bcda3243becdd1fec8180d6bfdd17015f97acde80cc1d042b34371d9d", kill_on_drop: false }`
[INFO] [stdout] 9029450bcda3243becdd1fec8180d6bfdd17015f97acde80cc1d042b34371d9d