[INFO] cloning repository https://github.com/Horhik/hole-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Horhik/hole-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorhik%2Fhole-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorhik%2Fhole-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a3073bb33489f88275ec7d20e617a751a720bef
[INFO] testing Horhik/hole-server against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHorhik%2Fhole-server" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Horhik/hole-server on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Horhik/hole-server
[INFO] finished tweaking git repo https://github.com/Horhik/hole-server
[INFO] tweaked toml for git repo https://github.com/Horhik/hole-server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Horhik/hole-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] e6852d2e8ee22d9706ac62eaa799cf96610d291fc5815285ace12d3b76534453
[INFO] running `Command { std: "docker" "start" "-a" "e6852d2e8ee22d9706ac62eaa799cf96610d291fc5815285ace12d3b76534453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6852d2e8ee22d9706ac62eaa799cf96610d291fc5815285ace12d3b76534453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6852d2e8ee22d9706ac62eaa799cf96610d291fc5815285ace12d3b76534453", kill_on_drop: false }`
[INFO] [stdout] e6852d2e8ee22d9706ac62eaa799cf96610d291fc5815285ace12d3b76534453
[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=warn" "-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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a4a5bc964663360746b423b23f2a84d88247fadf53dc1d8081661c340599995
[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" "6a4a5bc964663360746b423b23f2a84d88247fadf53dc1d8081661c340599995", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling ahash v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling hashlink v0.6.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling rusqlite v0.24.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling async-io v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling async-std v1.7.0
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling async-tls v0.10.0
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling tokio-tungstenite v0.12.0
[INFO] [stderr]    Compiling tokio-util v0.5.0
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling hole-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Err(e) => {}
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "6a4a5bc964663360746b423b23f2a84d88247fadf53dc1d8081661c340599995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4a5bc964663360746b423b23f2a84d88247fadf53dc1d8081661c340599995", kill_on_drop: false }`
[INFO] [stdout] 6a4a5bc964663360746b423b23f2a84d88247fadf53dc1d8081661c340599995
[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=warn" "-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" "+1.49.0" "test" "--frozen" "--no-run" "--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] f70e91fea8bab5d9a99bbe304d663f88978ee524c12e061e755aac243f2252d6
[INFO] running `Command { std: "docker" "start" "-a" "f70e91fea8bab5d9a99bbe304d663f88978ee524c12e061e755aac243f2252d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling hole-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             Err(e) => {}
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Err(e) => {}
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "f70e91fea8bab5d9a99bbe304d663f88978ee524c12e061e755aac243f2252d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70e91fea8bab5d9a99bbe304d663f88978ee524c12e061e755aac243f2252d6", kill_on_drop: false }`
[INFO] [stdout] f70e91fea8bab5d9a99bbe304d663f88978ee524c12e061e755aac243f2252d6
[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=warn" "-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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33c4e4c2e5243eff7f3530eaa3e8aa0aa75978b573e4fa4e70131f3c176bb701
[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" "33c4e4c2e5243eff7f3530eaa3e8aa0aa75978b573e4fa4e70131f3c176bb701", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |             Err(e) => {}
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 |         Err(e) => {}
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hole_server-1ec6f4af08c3f379
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "33c4e4c2e5243eff7f3530eaa3e8aa0aa75978b573e4fa4e70131f3c176bb701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c4e4c2e5243eff7f3530eaa3e8aa0aa75978b573e4fa4e70131f3c176bb701", kill_on_drop: false }`
[INFO] [stdout] 33c4e4c2e5243eff7f3530eaa3e8aa0aa75978b573e4fa4e70131f3c176bb701