[INFO] fetching crate etcdv3client 0.2.1...
[INFO] checking etcdv3client-0.2.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate etcdv3client 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate etcdv3client 0.2.1 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 etcdv3client 0.2.1
[INFO] finished tweaking crates.io crate etcdv3client 0.2.1
[INFO] tweaked toml for crates.io crate etcdv3client 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate etcdv3client 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1f903cb62c2ad1f0092f258f94d75b64442a6a9b779ebb9b39b470b5b9effe
[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" "6b1f903cb62c2ad1f0092f258f94d75b64442a6a9b779ebb9b39b470b5b9effe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1f903cb62c2ad1f0092f258f94d75b64442a6a9b779ebb9b39b470b5b9effe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1f903cb62c2ad1f0092f258f94d75b64442a6a9b779ebb9b39b470b5b9effe", kill_on_drop: false }`
[INFO] [stdout] 6b1f903cb62c2ad1f0092f258f94d75b64442a6a9b779ebb9b39b470b5b9effe
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c251c4942f78e5771ba9e80d1c3fc360f0c23dd9c5dd97db462995df0fd1e998
[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" "c251c4942f78e5771ba9e80d1c3fc360f0c23dd9c5dd97db462995df0fd1e998", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling etcdv3client v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking tower v0.4.4
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking tonic v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "c251c4942f78e5771ba9e80d1c3fc360f0c23dd9c5dd97db462995df0fd1e998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c251c4942f78e5771ba9e80d1c3fc360f0c23dd9c5dd97db462995df0fd1e998", kill_on_drop: false }`
[INFO] [stdout] c251c4942f78e5771ba9e80d1c3fc360f0c23dd9c5dd97db462995df0fd1e998