[INFO] cloning repository https://github.com/FauxFaux/swisher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FauxFaux/swisher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fswisher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fswisher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ad4c9f86f79983f62742c0e596cbfc1172504af
[INFO] checking FauxFaux/swisher against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fswisher" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/swisher 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/FauxFaux/swisher
[INFO] finished tweaking git repo https://github.com/FauxFaux/swisher
[INFO] tweaked toml for git repo https://github.com/FauxFaux/swisher written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/swisher 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]     Updating git repository `https://github.com/FauxFaux/warheadhateus`
[INFO] [stderr]     Updating git submodule `https://github.com/serde-rs/serde.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.1
[INFO] [stderr]   Downloaded tokio v0.2.6
[INFO] [stderr]   Downloaded hyper v0.13.1
[INFO] [stderr]   Downloaded jobserver v0.1.17
[INFO] [stderr]   Downloaded tempfile-fast v0.3.3
[INFO] [stderr]   Downloaded path-tree v0.1.9
[INFO] [stderr]   Downloaded zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]   Downloaded zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]   Downloaded zstd-sys v1.4.15+zstd.1.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7fd6bd346a847d9fe56a67f4d637495634fd792b5a85fc06915575a2d7293848
[INFO] running `Command { std: "docker" "start" "-a" "7fd6bd346a847d9fe56a67f4d637495634fd792b5a85fc06915575a2d7293848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fd6bd346a847d9fe56a67f4d637495634fd792b5a85fc06915575a2d7293848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd6bd346a847d9fe56a67f4d637495634fd792b5a85fc06915575a2d7293848", kill_on_drop: false }`
[INFO] [stdout] 7fd6bd346a847d9fe56a67f4d637495634fd792b5a85fc06915575a2d7293848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d01f6c93be7848d424dfa40f6972959e467af240866b83d3a5ed1c27823a7fb
[INFO] running `Command { std: "docker" "start" "-a" "6d01f6c93be7848d424dfa40f6972959e467af240866b83d3a5ed1c27823a7fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling zstd-sys v1.4.15+zstd.1.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking tempfile-fast v0.3.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking warheadhateus v0.2.2-pre (https://github.com/FauxFaux/warheadhateus?rev=440d5e366bad722934c1c2a265d7853326a12cd3#440d5e36)
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking zstd-safe v2.0.3+zstd.1.4.4
[INFO] [stderr]     Checking zstd v0.5.1+zstd.1.4.4
[INFO] [stderr]     Checking swisher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]   --> src/reqs.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let (user, headers) = match sig::validate(
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/reqs.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let config = bucket::get_config(Path::new("."), &bucket).await?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]   --> src/reqs.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let (user, headers) = match sig::validate(
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/reqs.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let config = bucket::get_config(Path::new("."), &bucket).await?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `put_config`
[INFO] [stdout]   --> src/bucket.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub async fn put_config(storage: &Path, bucket: &Name, config: &BucketConfig) -> Result<(), Error> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query`
[INFO] [stdout]   --> src/hyp.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn query(req: &hyper::Request<Body>) -> &str {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `put_config`
[INFO] [stdout]   --> src/bucket.rs:53:14
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub async fn put_config(storage: &Path, bucket: &Name, config: &BucketConfig) -> Result<(), Error> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query`
[INFO] [stdout]   --> src/hyp.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn query(req: &hyper::Request<Body>) -> &str {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "6d01f6c93be7848d424dfa40f6972959e467af240866b83d3a5ed1c27823a7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d01f6c93be7848d424dfa40f6972959e467af240866b83d3a5ed1c27823a7fb", kill_on_drop: false }`
[INFO] [stdout] 6d01f6c93be7848d424dfa40f6972959e467af240866b83d3a5ed1c27823a7fb