[INFO] cloning repository https://github.com/knknkn1162/rust_server_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knknkn1162/rust_server_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Frust_server_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Frust_server_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08eb0ad0f81838ed253bb2870c88af01c51a104d
[INFO] testing knknkn1162/rust_server_test against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknknkn1162%2Frust_server_test" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knknkn1162/rust_server_test on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knknkn1162/rust_server_test
[INFO] finished tweaking git repo https://github.com/knknkn1162/rust_server_test
[INFO] tweaked toml for git repo https://github.com/knknkn1162/rust_server_test written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/knknkn1162/rust_server_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.6.11
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded tokio-core v0.1.10
[INFO] [stderr]   Downloaded iovec v0.1.1
[INFO] [stderr]   Downloaded tokio-io v0.1.4
[INFO] [stderr]   Downloaded futures v0.1.17
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded bytes v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69593b71e1256b95bfc57c55c8ca9b3180c103edcbb9d635cec373272dc5d719
[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" "69593b71e1256b95bfc57c55c8ca9b3180c103edcbb9d635cec373272dc5d719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69593b71e1256b95bfc57c55c8ca9b3180c103edcbb9d635cec373272dc5d719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69593b71e1256b95bfc57c55c8ca9b3180c103edcbb9d635cec373272dc5d719", kill_on_drop: false }`
[INFO] [stdout] 69593b71e1256b95bfc57c55c8ca9b3180c103edcbb9d635cec373272dc5d719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--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] b69685cfdb041d5a51364bd67d3e165f037eb184cf1f5006a74b2bdf848c62c4
[INFO] running `Command { std: "docker" "start" "-a" "b69685cfdb041d5a51364bd67d3e165f037eb184cf1f5006a74b2bdf848c62c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling simple_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use futures::{future, Future};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut server = TcpServer::new(Http, addr);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.69s
[INFO] running `Command { std: "docker" "inspect" "b69685cfdb041d5a51364bd67d3e165f037eb184cf1f5006a74b2bdf848c62c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69685cfdb041d5a51364bd67d3e165f037eb184cf1f5006a74b2bdf848c62c4", kill_on_drop: false }`
[INFO] [stdout] b69685cfdb041d5a51364bd67d3e165f037eb184cf1f5006a74b2bdf848c62c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587be4ff1b78b5cff2150f6e3d16e31444125ec00eea7c2c88d91ee95a16bf99
[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" "587be4ff1b78b5cff2150f6e3d16e31444125ec00eea7c2c88d91ee95a16bf99", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use futures::{future, Future};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |     let mut server = TcpServer::new(Http, addr);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "587be4ff1b78b5cff2150f6e3d16e31444125ec00eea7c2c88d91ee95a16bf99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587be4ff1b78b5cff2150f6e3d16e31444125ec00eea7c2c88d91ee95a16bf99", kill_on_drop: false }`
[INFO] [stdout] 587be4ff1b78b5cff2150f6e3d16e31444125ec00eea7c2c88d91ee95a16bf99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5221233604eef4f237a138035bafc589e31140666944615fc023ddcba2ff84e4
[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" "5221233604eef4f237a138035bafc589e31140666944615fc023ddcba2ff84e4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Future`
[INFO] [stderr]   --> src/main.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | use futures::{future, Future};
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |     let mut server = TcpServer::new(Http, addr);
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_line-a305c6eff3498616
[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" "5221233604eef4f237a138035bafc589e31140666944615fc023ddcba2ff84e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5221233604eef4f237a138035bafc589e31140666944615fc023ddcba2ff84e4", kill_on_drop: false }`
[INFO] [stdout] 5221233604eef4f237a138035bafc589e31140666944615fc023ddcba2ff84e4