[INFO] fetching crate lifeline 0.2.1...
[INFO] checking lifeline-0.2.1 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate lifeline 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lifeline 0.2.1 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lifeline 0.2.1
[INFO] finished tweaking crates.io crate lifeline 0.2.1
[INFO] tweaked toml for crates.io crate lifeline 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate lifeline 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1302952478c3b5762b96c79085dd077410467dee2a6c02a27d756c4acb0dbddf
[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" "1302952478c3b5762b96c79085dd077410467dee2a6c02a27d756c4acb0dbddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1302952478c3b5762b96c79085dd077410467dee2a6c02a27d756c4acb0dbddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1302952478c3b5762b96c79085dd077410467dee2a6c02a27d756c4acb0dbddf", kill_on_drop: false }`
[INFO] [stdout] 1302952478c3b5762b96c79085dd077410467dee2a6c02a27d756c4acb0dbddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a34471d9d92c78f1df434aff765306ad87485d651febe345408426acf3f8675
[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" "5a34471d9d92c78f1df434aff765306ad87485d651febe345408426acf3f8675", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling inventory v0.1.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking impls v1.0.3
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking lru v0.6.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling inventory-impl v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling ctor v0.1.15
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking traitcast_core v0.2.0
[INFO] [stderr]     Checking traitcast v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking lifeline v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_trait::async_trait`
[INFO] [stdout]  --> src/service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use async_trait::async_trait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]    --> src/channel/subscription.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |         fn iter(&self) -> impl Iterator<Item = T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `iter`
[INFO] [stdout]    --> src/channel/subscription.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |         fn iter(&self) -> impl Iterator<Item = T> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "5a34471d9d92c78f1df434aff765306ad87485d651febe345408426acf3f8675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a34471d9d92c78f1df434aff765306ad87485d651febe345408426acf3f8675", kill_on_drop: false }`
[INFO] [stdout] 5a34471d9d92c78f1df434aff765306ad87485d651febe345408426acf3f8675