[INFO] fetching crate sozu 0.11.52...
[INFO] checking sozu-0.11.52 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate sozu 0.11.52 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sozu 0.11.52 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sozu 0.11.52
[INFO] finished tweaking crates.io crate sozu 0.11.52
[INFO] tweaked toml for crates.io crate sozu 0.11.52 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sozu 0.11.52 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 16d029fcd42e92b3606b91d817c6991f167f3a6fa88b9728fb549a758f59cf46
[INFO] running `Command { std: "docker" "start" "-a" "16d029fcd42e92b3606b91d817c6991f167f3a6fa88b9728fb549a758f59cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d029fcd42e92b3606b91d817c6991f167f3a6fa88b9728fb549a758f59cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d029fcd42e92b3606b91d817c6991f167f3a6fa88b9728fb549a758f59cf46", kill_on_drop: false }`
[INFO] [stdout] 16d029fcd42e92b3606b91d817c6991f167f3a6fa88b9728fb549a758f59cf46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e732cdb771f03d785919fbe951b9d496213452f72754e0c037fc44e2201846c
[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" "2e732cdb771f03d785919fbe951b9d496213452f72754e0c037fc44e2201846c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking pool v0.1.4
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling time v0.2.24
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking sozu-command-lib v0.11.52
[INFO] [stderr]     Checking sozu-lib v0.11.52
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking sozu v0.11.52 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command/executor.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |   pub tasks: Slab<Spawn<Box<Future<Item = (), Error = ()> + Send>>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineWriter`
[INFO] [stdout]  --> src/logging.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{LineWriter,stdout};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/command/executor.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |   pub tasks: Slab<Spawn<Box<Future<Item = (), Error = ()> + Send>>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::executor::spawn`
[INFO] [stdout]    --> src/command/executor.rs:277:7
[INFO] [stdout]     |
[INFO] [stdout] 277 |   use futures::executor::spawn;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::task`
[INFO] [stdout]    --> src/command/executor.rs:278:7
[INFO] [stdout]     |
[INFO] [stdout] 278 |   use futures::task;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `result`
[INFO] [stdout]    --> src/command/executor.rs:279:31
[INFO] [stdout]     |
[INFO] [stdout] 279 |   use futures::future::{lazy, result};
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineWriter`
[INFO] [stdout]  --> src/logging.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{LineWriter,stdout};
[INFO] [stdout]   |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_type`
[INFO] [stdout]    --> src/command/orders.rs:593:28
[INFO] [stdout]     |
[INFO] [stdout] 593 |       &Query::Certificates(ref query_type) => {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query_type`
[INFO] [stdout]    --> src/command/orders.rs:593:28
[INFO] [stdout]     |
[INFO] [stdout] 593 |       &Query::Certificates(ref query_type) => {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_query_type`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `send_processing`
[INFO] [stdout]    --> src/command/executor.rs:250:8
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub fn send_processing(worker_id: Token, message: ProxyRequest) -> (FutureProcessing, FutureAnswer) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 59s
[INFO] running `Command { std: "docker" "inspect" "2e732cdb771f03d785919fbe951b9d496213452f72754e0c037fc44e2201846c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e732cdb771f03d785919fbe951b9d496213452f72754e0c037fc44e2201846c", kill_on_drop: false }`
[INFO] [stdout] 2e732cdb771f03d785919fbe951b9d496213452f72754e0c037fc44e2201846c