[INFO] fetching crate ironmq-client 0.1.1...
[INFO] checking ironmq-client-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ironmq-client 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ironmq-client 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ironmq-client 0.1.1
[INFO] finished tweaking crates.io crate ironmq-client 0.1.1
[INFO] tweaked toml for crates.io crate ironmq-client 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ironmq-codec v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee6ddd67d75f0068f7724b7e2a6255a1f23c71c1d9d6c43310b4c9f8619b145e
[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" "ee6ddd67d75f0068f7724b7e2a6255a1f23c71c1d9d6c43310b4c9f8619b145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee6ddd67d75f0068f7724b7e2a6255a1f23c71c1d9d6c43310b4c9f8619b145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee6ddd67d75f0068f7724b7e2a6255a1f23c71c1d9d6c43310b4c9f8619b145e", kill_on_drop: false }`
[INFO] [stdout] ee6ddd67d75f0068f7724b7e2a6255a1f23c71c1d9d6c43310b4c9f8619b145e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 6cc05573edf9f1ab949c1157f0f9ce6984f91f3d2a4b8d8ba9a3a617abf091fd
[INFO] running `Command { std: "docker" "start" "-a" "6cc05573edf9f1ab949c1157f0f9ce6984f91f3d2a4b8d8ba9a3a617abf091fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking tokio-util v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking ironmq-codec v0.1.1
[INFO] [stderr]     Checking ironmq-client v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env_logger::Builder`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use env_logger::Builder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]   --> src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use log::{info, error};
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/client_sm.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger::Builder`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use env_logger::Builder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]   --> src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | use log::{info, error};
[INFO] [stdout]    |           ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cb`
[INFO] [stdout]    --> src/client_sm.rs:186:82
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn basic_consume(&mut self, channel: Channel, args: frame::BasicConsumeArgs, cb: ConsumeCallback) -> MaybeFrame {
[INFO] [stdout]     |                                                                                  ^^ help: if this is intentional, prefix it with an underscore: `_cb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `consumers`
[INFO] [stdout]   --> src/client_sm.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     consumers: HashMap<(u16, String), ConsumeCallback>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `headers`
[INFO] [stdout]   --> src/client_sm.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     headers: HashMap<u16, DeliveredContent>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel`
[INFO] [stdout]    --> src/client_sm.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     channel: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `consumer_tag`
[INFO] [stdout]    --> src/client_sm.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     consumer_tag: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/client_sm.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     header: Option<frame::ContentHeaderFrame>, // flags
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cb`
[INFO] [stdout]    --> src/client_sm.rs:186:82
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn basic_consume(&mut self, channel: Channel, args: frame::BasicConsumeArgs, cb: ConsumeCallback) -> MaybeFrame {
[INFO] [stdout]     |                                                                                  ^^ help: if this is intentional, prefix it with an underscore: `_cb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `consumers`
[INFO] [stdout]   --> src/client_sm.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     consumers: HashMap<(u16, String), ConsumeCallback>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `headers`
[INFO] [stdout]   --> src/client_sm.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     headers: HashMap<u16, DeliveredContent>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `channel`
[INFO] [stdout]    --> src/client_sm.rs:215:5
[INFO] [stdout]     |
[INFO] [stdout] 215 |     channel: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `consumer_tag`
[INFO] [stdout]    --> src/client_sm.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 |     consumer_tag: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header`
[INFO] [stdout]    --> src/client_sm.rs:217:5
[INFO] [stdout]     |
[INFO] [stdout] 217 |     header: Option<frame::ContentHeaderFrame>, // flags
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.97s
[INFO] running `Command { std: "docker" "inspect" "6cc05573edf9f1ab949c1157f0f9ce6984f91f3d2a4b8d8ba9a3a617abf091fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc05573edf9f1ab949c1157f0f9ce6984f91f3d2a4b8d8ba9a3a617abf091fd", kill_on_drop: false }`
[INFO] [stdout] 6cc05573edf9f1ab949c1157f0f9ce6984f91f3d2a4b8d8ba9a3a617abf091fd