[INFO] fetching crate dream 0.0.0...
[INFO] checking dream-0.0.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate dream 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dream 0.0.0 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 dream 0.0.0
[INFO] finished tweaking crates.io crate dream 0.0.0
[INFO] tweaked toml for crates.io crate dream 0.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0427f3e7bcf13ceb5d4602f39c43ff16d2c1df6f45b5ab925f84dce8b3ee5886
[INFO] running `Command { std: "docker" "start" "-a" "0427f3e7bcf13ceb5d4602f39c43ff16d2c1df6f45b5ab925f84dce8b3ee5886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0427f3e7bcf13ceb5d4602f39c43ff16d2c1df6f45b5ab925f84dce8b3ee5886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0427f3e7bcf13ceb5d4602f39c43ff16d2c1df6f45b5ab925f84dce8b3ee5886", kill_on_drop: false }`
[INFO] [stdout] 0427f3e7bcf13ceb5d4602f39c43ff16d2c1df6f45b5ab925f84dce8b3ee5886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 817b97b4cdd64f1a920ea6a62680f10ed7f10c209a4aecba282c12ff65d88670
[INFO] running `Command { std: "docker" "start" "-a" "817b97b4cdd64f1a920ea6a62680f10ed7f10c209a4aecba282c12ff65d88670", kill_on_drop: false }`
[INFO] [stderr]     Checking dream v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / macro_rules! path_of {
[INFO] [stdout] 2 | |     ($p: path) => {{
[INFO] [stdout] 3 | |         let _ = || {
[INFO] [stdout] 4 | |             use $p;
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }};
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / macro_rules! path_of {
[INFO] [stdout] 2 | |     ($p: path) => {{
[INFO] [stdout] 3 | |         let _ = || {
[INFO] [stdout] 4 | |             use $p;
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }};
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "817b97b4cdd64f1a920ea6a62680f10ed7f10c209a4aecba282c12ff65d88670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817b97b4cdd64f1a920ea6a62680f10ed7f10c209a4aecba282c12ff65d88670", kill_on_drop: false }`
[INFO] [stdout] 817b97b4cdd64f1a920ea6a62680f10ed7f10c209a4aecba282c12ff65d88670