[INFO] fetching crate graph_solver 0.4.0...
[INFO] testing graph_solver-0.4.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate graph_solver 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graph_solver 0.4.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph_solver 0.4.0
[INFO] finished tweaking crates.io crate graph_solver 0.4.0
[INFO] tweaked toml for crates.io crate graph_solver 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate graph_solver 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickbacktrack v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 4b9ba28220d2a8bf2d8bf1da85a1970f670dc0cd3c93bad0db5c09fa4437c070
[INFO] running `Command { std: "docker" "start" "-a" "4b9ba28220d2a8bf2d8bf1da85a1970f670dc0cd3c93bad0db5c09fa4437c070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b9ba28220d2a8bf2d8bf1da85a1970f670dc0cd3c93bad0db5c09fa4437c070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9ba28220d2a8bf2d8bf1da85a1970f670dc0cd3c93bad0db5c09fa4437c070", kill_on_drop: false }`
[INFO] [stdout] 4b9ba28220d2a8bf2d8bf1da85a1970f670dc0cd3c93bad0db5c09fa4437c070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--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] 0d2de97a78d23b7ea93b194f0c078ff583e7f0172235748555849fb37e11a02d
[INFO] running `Command { std: "docker" "start" "-a" "0d2de97a78d23b7ea93b194f0c078ff583e7f0172235748555849fb37e11a02d", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickbacktrack v0.6.0
[INFO] [stderr]    Compiling graph_solver v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "0d2de97a78d23b7ea93b194f0c078ff583e7f0172235748555849fb37e11a02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2de97a78d23b7ea93b194f0c078ff583e7f0172235748555849fb37e11a02d", kill_on_drop: false }`
[INFO] [stdout] 0d2de97a78d23b7ea93b194f0c078ff583e7f0172235748555849fb37e11a02d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--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] 02ead71b0acf7b5b3dd8b1880816ce35ba5a505155ea3fded3b6ac0c5386aae5
[INFO] running `Command { std: "docker" "start" "-a" "02ead71b0acf7b5b3dd8b1880816ce35ba5a505155ea3fded3b6ac0c5386aae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling graph_solver v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "02ead71b0acf7b5b3dd8b1880816ce35ba5a505155ea3fded3b6ac0c5386aae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ead71b0acf7b5b3dd8b1880816ce35ba5a505155ea3fded3b6ac0c5386aae5", kill_on_drop: false }`
[INFO] [stdout] 02ead71b0acf7b5b3dd8b1880816ce35ba5a505155ea3fded3b6ac0c5386aae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] feca1dd131493dee1e90f8825c4baf026bd26a07826a3004077b300613463ba3
[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" "feca1dd131493dee1e90f8825c4baf026bd26a07826a3004077b300613463ba3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/graph_solver-6890d006bfe46aca)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests graph_solver
[INFO] [stdout] test tests::simple1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "feca1dd131493dee1e90f8825c4baf026bd26a07826a3004077b300613463ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feca1dd131493dee1e90f8825c4baf026bd26a07826a3004077b300613463ba3", kill_on_drop: false }`
[INFO] [stdout] feca1dd131493dee1e90f8825c4baf026bd26a07826a3004077b300613463ba3