[INFO] fetching crate intercom-common 0.3.0...
[INFO] checking intercom-common-0.3.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate intercom-common 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate intercom-common 0.3.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intercom-common 0.3.0
[INFO] finished tweaking crates.io crate intercom-common 0.3.0
[INFO] tweaked toml for crates.io crate intercom-common 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2cc28cf7c393b587d9813cbcf17f25ce2556707491c8076b5942488b233282a
[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" "e2cc28cf7c393b587d9813cbcf17f25ce2556707491c8076b5942488b233282a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2cc28cf7c393b587d9813cbcf17f25ce2556707491c8076b5942488b233282a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cc28cf7c393b587d9813cbcf17f25ce2556707491c8076b5942488b233282a", kill_on_drop: false }`
[INFO] [stdout] e2cc28cf7c393b587d9813cbcf17f25ce2556707491c8076b5942488b233282a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b27f449fb034e90734a59f9ed1760c752a37a95b7c7ea613215c618eb52ca587
[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" "b27f449fb034e90734a59f9ed1760c752a37a95b7c7ea613215c618eb52ca587", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking sha1 v0.3.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking handlebars v0.29.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking intercom-common v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(non_exhaustive)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.92s
[INFO] running `Command { std: "docker" "inspect" "b27f449fb034e90734a59f9ed1760c752a37a95b7c7ea613215c618eb52ca587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27f449fb034e90734a59f9ed1760c752a37a95b7c7ea613215c618eb52ca587", kill_on_drop: false }`
[INFO] [stdout] b27f449fb034e90734a59f9ed1760c752a37a95b7c7ea613215c618eb52ca587