[INFO] cloning repository https://github.com/Hoverbear/fun_with_futures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hoverbear/fun_with_futures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Ffun_with_futures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Ffun_with_futures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f38c3217ee90ed003259aa2d331372bf5e80608e
[INFO] testing Hoverbear/fun_with_futures against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoverbear%2Ffun_with_futures" "/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/Hoverbear/fun_with_futures on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hoverbear/fun_with_futures
[INFO] finished tweaking git repo https://github.com/Hoverbear/fun_with_futures
[INFO] tweaked toml for git repo https://github.com/Hoverbear/fun_with_futures written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Hoverbear/fun_with_futures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] c904bc1071d9110df37c226e8ca5ce8f7eadc6d2fc4c7f7fc7b81376147c7950
[INFO] running `Command { std: "docker" "start" "-a" "c904bc1071d9110df37c226e8ca5ce8f7eadc6d2fc4c7f7fc7b81376147c7950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c904bc1071d9110df37c226e8ca5ce8f7eadc6d2fc4c7f7fc7b81376147c7950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c904bc1071d9110df37c226e8ca5ce8f7eadc6d2fc4c7f7fc7b81376147c7950", kill_on_drop: false }`
[INFO] [stdout] c904bc1071d9110df37c226e8ca5ce8f7eadc6d2fc4c7f7fc7b81376147c7950
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7937698bb55b601719281f7922deda3c52ffac2a87aa7a1b0b9f4a7e85a11ba
[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" "a7937698bb55b601719281f7922deda3c52ffac2a87aa7a1b0b9f4a7e85a11ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.3
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling tokio-proto v0.1.0
[INFO] [stderr]    Compiling fun_with_futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "a7937698bb55b601719281f7922deda3c52ffac2a87aa7a1b0b9f4a7e85a11ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7937698bb55b601719281f7922deda3c52ffac2a87aa7a1b0b9f4a7e85a11ba", kill_on_drop: false }`
[INFO] [stdout] a7937698bb55b601719281f7922deda3c52ffac2a87aa7a1b0b9f4a7e85a11ba
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9bc8a0f0a1ae75415da69d750678e3a729360e1cc80a816d6de370c9e4562f
[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" "8f9bc8a0f0a1ae75415da69d750678e3a729360e1cc80a816d6de370c9e4562f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fun_with_futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]    --> examples/10-tokio-codec-http.rs:103:36
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ExampleRequest::Get { url: url } => {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]    --> examples/10-tokio-codec-http.rs:106:37
[INFO] [stdout]     |
[INFO] [stdout] 106 |         ExampleRequest::Post { url: url, content: content } => {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `url:` in this pattern is redundant
[INFO] [stdout]    --> examples/10-tokio-codec-http.rs:103:31
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ExampleRequest::Get { url: url } => {
[INFO] [stdout]     |                               ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `url:` in this pattern is redundant
[INFO] [stdout]    --> examples/10-tokio-codec-http.rs:106:32
[INFO] [stdout]     |
[INFO] [stdout] 106 |         ExampleRequest::Post { url: url, content: content } => {
[INFO] [stdout]     |                                ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `content:` in this pattern is redundant
[INFO] [stdout]    --> examples/10-tokio-codec-http.rs:106:42
[INFO] [stdout]     |
[INFO] [stdout] 106 |         ExampleRequest::Post { url: url, content: content } => {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `url:` in this pattern is redundant
[INFO] [stdout]    --> examples/11-tokio-full.rs:151:35
[INFO] [stdout]     |
[INFO] [stdout] 151 |             ExampleRequest::Get { url: url } => {
[INFO] [stdout]     |                                   ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `url:` in this pattern is redundant
[INFO] [stdout]    --> examples/11-tokio-full.rs:157:36
[INFO] [stdout]     |
[INFO] [stdout] 157 |             ExampleRequest::Post { url: url, content: content } => {
[INFO] [stdout]     |                                    ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `content:` in this pattern is redundant
[INFO] [stdout]    --> examples/11-tokio-full.rs:157:46
[INFO] [stdout]     |
[INFO] [stdout] 157 |             ExampleRequest::Post { url: url, content: content } => {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.17s
[INFO] running `Command { std: "docker" "inspect" "8f9bc8a0f0a1ae75415da69d750678e3a729360e1cc80a816d6de370c9e4562f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9bc8a0f0a1ae75415da69d750678e3a729360e1cc80a816d6de370c9e4562f", kill_on_drop: false }`
[INFO] [stdout] 8f9bc8a0f0a1ae75415da69d750678e3a729360e1cc80a816d6de370c9e4562f
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1706283eb764ca660cb5f8bc9caf341923cc104ac56d390447ae346182d0202d
[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" "1706283eb764ca660cb5f8bc9caf341923cc104ac56d390447ae346182d0202d", kill_on_drop: false }`
[INFO] [stderr] warning: the `url:` in this pattern is redundant
[INFO] [stderr]    --> examples/11-tokio-full.rs:151:35
[INFO] [stderr]     |
[INFO] [stderr] 151 |             ExampleRequest::Get { url: url } => {
[INFO] [stderr]     |                                   ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `url:` in this pattern is redundant
[INFO] [stderr]    --> examples/11-tokio-full.rs:157:36
[INFO] [stderr]     |
[INFO] [stderr] 157 |             ExampleRequest::Post { url: url, content: content } => {
[INFO] [stderr]     |                                    ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stderr] 
[INFO] [stderr] warning: the `content:` in this pattern is redundant
[INFO] [stderr]    --> examples/11-tokio-full.rs:157:46
[INFO] [stderr]     |
[INFO] [stderr] 157 |             ExampleRequest::Post { url: url, content: content } => {
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `content`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]    --> examples/10-tokio-codec-http.rs:103:36
[INFO] [stderr]     |
[INFO] [stderr] 103 |         ExampleRequest::Get { url: url } => {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]    --> examples/10-tokio-codec-http.rs:106:37
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ExampleRequest::Post { url: url, content: content } => {
[INFO] [stderr]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr] 
[INFO] [stderr] warning: the `url:` in this pattern is redundant
[INFO] [stderr]    --> examples/10-tokio-codec-http.rs:103:31
[INFO] [stderr]     |
[INFO] [stderr] 103 |         ExampleRequest::Get { url: url } => {
[INFO] [stderr]     |                               ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `url:` in this pattern is redundant
[INFO] [stderr]    --> examples/10-tokio-codec-http.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ExampleRequest::Post { url: url, content: content } => {
[INFO] [stderr]     |                                ^^^^^^^^ help: use shorthand field pattern: `url`
[INFO] [stderr] 
[INFO] [stderr] warning: the `content:` in this pattern is redundant
[INFO] [stderr]    --> examples/10-tokio-codec-http.rs:106:42
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ExampleRequest::Post { url: url, content: content } => {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^ help: use shorthand field pattern: `content`
[INFO] [stderr] 
[INFO] [stderr] warning: `fun_with_futures` (example "11-tokio-full") generated 3 warnings
[INFO] [stderr] warning: `fun_with_futures` (example "10-tokio-codec-http") generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fun_with_futures-834a693f5d7c0715)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fun_with_futures
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1706283eb764ca660cb5f8bc9caf341923cc104ac56d390447ae346182d0202d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1706283eb764ca660cb5f8bc9caf341923cc104ac56d390447ae346182d0202d", kill_on_drop: false }`
[INFO] [stdout] 1706283eb764ca660cb5f8bc9caf341923cc104ac56d390447ae346182d0202d