[INFO] fetching crate dtab 0.0.2...
[INFO] checking dtab-0.0.2 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate dtab 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dtab 0.0.2 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dtab 0.0.2
[INFO] finished tweaking crates.io crate dtab 0.0.2
[INFO] tweaked toml for crates.io crate dtab 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed39dd4c999211679e2c2af12982cd1ff540c197e001473979f2a59dba55d62
[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" "aed39dd4c999211679e2c2af12982cd1ff540c197e001473979f2a59dba55d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed39dd4c999211679e2c2af12982cd1ff540c197e001473979f2a59dba55d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed39dd4c999211679e2c2af12982cd1ff540c197e001473979f2a59dba55d62", kill_on_drop: false }`
[INFO] [stdout] aed39dd4c999211679e2c2af12982cd1ff540c197e001473979f2a59dba55d62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] 28c85fb518eb752ea9d9ee19c2f41d3264f7011a18adf60c0016a02aab468a72
[INFO] running `Command { std: "docker" "start" "-a" "28c85fb518eb752ea9d9ee19c2f41d3264f7011a18adf60c0016a02aab468a72", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking pretty_assertions v0.2.1
[INFO] [stderr]     Checking dtab v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::NameTree::*`
[INFO] [stdout]    --> src/nametree.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::NameTree::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.87s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28c85fb518eb752ea9d9ee19c2f41d3264f7011a18adf60c0016a02aab468a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28c85fb518eb752ea9d9ee19c2f41d3264f7011a18adf60c0016a02aab468a72", kill_on_drop: false }`
[INFO] [stdout] 28c85fb518eb752ea9d9ee19c2f41d3264f7011a18adf60c0016a02aab468a72