[INFO] fetching crate ratsio 0.3.0-alpha.6...
[INFO] checking ratsio-0.3.0-alpha.6 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate ratsio 0.3.0-alpha.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ratsio 0.3.0-alpha.6 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ratsio 0.3.0-alpha.6
[INFO] finished tweaking crates.io crate ratsio 0.3.0-alpha.6
[INFO] tweaked toml for crates.io crate ratsio 0.3.0-alpha.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ratsio 0.3.0-alpha.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-derive v0.6.0
[INFO] [stderr]   Downloaded prost-types v0.6.0
[INFO] [stderr]   Downloaded prost v0.6.0
[INFO] [stderr]   Downloaded prost-build v0.6.0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5ade8ec5b85a9ef488dec8187722031710ad6101593403ad1cbb417fd4d0b10
[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" "e5ade8ec5b85a9ef488dec8187722031710ad6101593403ad1cbb417fd4d0b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ade8ec5b85a9ef488dec8187722031710ad6101593403ad1cbb417fd4d0b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ade8ec5b85a9ef488dec8187722031710ad6101593403ad1cbb417fd4d0b10", kill_on_drop: false }`
[INFO] [stdout] e5ade8ec5b85a9ef488dec8187722031710ad6101593403ad1cbb417fd4d0b10
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f851ea03e10a1f2059996bd9a0563d5d7dab8e90ca9932da5420076c155da966
[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" "f851ea03e10a1f2059996bd9a0563d5d7dab8e90ca9932da5420076c155da966", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking pin-project-lite v0.1.2
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking atomic-counter v1.0.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking generic-array v0.14.2
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking block-buffer v0.8.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling prost-build v0.6.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]    Compiling prost-derive v0.6.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]    Compiling prost v0.6.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]    Compiling prost-types v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]    Compiling ratsio v0.3.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ratsio::nats_client::UriVec`
[INFO] [stdout]  --> examples/nats_publish.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ratsio::nats_client::UriVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratsio::protocol`
[INFO] [stdout]  --> tests/nats_client_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ratsio::protocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratsio::nuid`
[INFO] [stdout]  --> tests/nats_client_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ratsio::nuid;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "f851ea03e10a1f2059996bd9a0563d5d7dab8e90ca9932da5420076c155da966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f851ea03e10a1f2059996bd9a0563d5d7dab8e90ca9932da5420076c155da966", kill_on_drop: false }`
[INFO] [stdout] f851ea03e10a1f2059996bd9a0563d5d7dab8e90ca9932da5420076c155da966