[INFO] cloning repository https://github.com/gyc567/fastrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyc567/fastrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyc567%2Ffastrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyc567%2Ffastrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e60b973ba9359024f586fbd69eb04549ad47d0b8
[INFO] checking gyc567/fastrs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyc567%2Ffastrs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gyc567/fastrs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gyc567/fastrs
[INFO] finished tweaking git repo https://github.com/gyc567/fastrs
[INFO] tweaked toml for git repo https://github.com/gyc567/fastrs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/gyc567/fastrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded speculate v0.1.2
[INFO] [stderr]   Downloaded resiter v0.4.0
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 0d50a22fcb09adddc384e7f2dce9acebd406f73a9b972554cfb820424206e3df
[INFO] running `Command { std: "docker" "start" "-a" "0d50a22fcb09adddc384e7f2dce9acebd406f73a9b972554cfb820424206e3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d50a22fcb09adddc384e7f2dce9acebd406f73a9b972554cfb820424206e3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d50a22fcb09adddc384e7f2dce9acebd406f73a9b972554cfb820424206e3df", kill_on_drop: false }`
[INFO] [stdout] 0d50a22fcb09adddc384e7f2dce9acebd406f73a9b972554cfb820424206e3df
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1f44a44b904a10007101411ace36496ec0312b3e3792556cb1dd42ad9b58b4
[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" "bd1f44a44b904a10007101411ace36496ec0312b3e3792556cb1dd42ad9b58b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking resiter v0.4.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking fastrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fastrs_config.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn load_config(path: &str) -> Result<(Conf), &str> {
[INFO] [stdout]    |                                          ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/fastrs_config.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Ok((config))
[INFO] [stdout]    |        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     e.description()
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/fastrs_config.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn load_config(path: &str) -> Result<(Conf), &str> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/test_config.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> tests/test_config.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> tests/test_config.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> tests/test_config.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |            let  name=ip_conf.name;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]   --> tests/test_config.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |            let  ip=ip_conf.ip;
[INFO] [stdout]    |                 ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `port`
[INFO] [stdout]   --> tests/test_config.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |            let   port =ip_conf.port;
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_port`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> tests/test_config.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |            let  name=ip_conf.name;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fastrs_config.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn load_config(path: &str) -> Result<(Conf), &str> {
[INFO] [stdout]    |                                          ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/fastrs_config.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Ok((config))
[INFO] [stdout]    |        ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |                     e.description()
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/fastrs_config.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn load_config(path: &str) -> Result<(Conf), &str> {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "bd1f44a44b904a10007101411ace36496ec0312b3e3792556cb1dd42ad9b58b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1f44a44b904a10007101411ace36496ec0312b3e3792556cb1dd42ad9b58b4", kill_on_drop: false }`
[INFO] [stdout] bd1f44a44b904a10007101411ace36496ec0312b3e3792556cb1dd42ad9b58b4