[INFO] fetching crate rust-easy-router 0.1.1...
[INFO] checking rust-easy-router-0.1.1 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate rust-easy-router 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust-easy-router 0.1.1 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-easy-router 0.1.1
[INFO] finished tweaking crates.io crate rust-easy-router 0.1.1
[INFO] tweaked toml for crates.io crate rust-easy-router 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4e10d5ea64ef2d8cbdba7b77d1e18d2e6f6268db8f7e3f73da3edc4d82d220e
[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" "a4e10d5ea64ef2d8cbdba7b77d1e18d2e6f6268db8f7e3f73da3edc4d82d220e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4e10d5ea64ef2d8cbdba7b77d1e18d2e6f6268db8f7e3f73da3edc4d82d220e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e10d5ea64ef2d8cbdba7b77d1e18d2e6f6268db8f7e3f73da3edc4d82d220e", kill_on_drop: false }`
[INFO] [stdout] a4e10d5ea64ef2d8cbdba7b77d1e18d2e6f6268db8f7e3f73da3edc4d82d220e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] d12542405238532e1e9a0d3348914efe16c69b6e0ce1c9d9ba1560db6ccc3f12
[INFO] running `Command { std: "docker" "start" "-a" "d12542405238532e1e9a0d3348914efe16c69b6e0ce1c9d9ba1560db6ccc3f12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking rust-easy-router v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/lib.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let res = body.read_to_string(&mut buf);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let handle = move |_req: &mut Request| -> IronResult<Response> {
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.42s
[INFO] running `Command { std: "docker" "inspect" "d12542405238532e1e9a0d3348914efe16c69b6e0ce1c9d9ba1560db6ccc3f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12542405238532e1e9a0d3348914efe16c69b6e0ce1c9d9ba1560db6ccc3f12", kill_on_drop: false }`
[INFO] [stdout] d12542405238532e1e9a0d3348914efe16c69b6e0ce1c9d9ba1560db6ccc3f12