[INFO] cloning repository https://github.com/mattgathu/duma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattgathu/duma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fduma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fduma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e06e9ac83ecb45db1da0fefcc2567ece56af804
[INFO] checking mattgathu/duma against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fduma" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattgathu/duma on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattgathu/duma
[INFO] finished tweaking git repo https://github.com/mattgathu/duma
[INFO] tweaked toml for git repo https://github.com/mattgathu/duma written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mattgathu/duma already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 663cdda15de59aba62bd16841c51670b85acbb3eae6c8cc68d10265c01b180b0
[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" "663cdda15de59aba62bd16841c51670b85acbb3eae6c8cc68d10265c01b180b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "663cdda15de59aba62bd16841c51670b85acbb3eae6c8cc68d10265c01b180b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663cdda15de59aba62bd16841c51670b85acbb3eae6c8cc68d10265c01b180b0", kill_on_drop: false }`
[INFO] [stdout] 663cdda15de59aba62bd16841c51670b85acbb3eae6c8cc68d10265c01b180b0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b535d9daa108843cc27c3b459006b49d7839b618b7f313c1bb3fa25cde7aa39e
[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" "b535d9daa108843cc27c3b459006b49d7839b618b7f313c1bb3fa25cde7aa39e", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.5.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking ftp v3.0.1
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking globwalk v0.5.0
[INFO] [stderr]     Checking assert_fs v0.11.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking duma v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.39s
[INFO] running `Command { std: "docker" "inspect" "b535d9daa108843cc27c3b459006b49d7839b618b7f313c1bb3fa25cde7aa39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b535d9daa108843cc27c3b459006b49d7839b618b7f313c1bb3fa25cde7aa39e", kill_on_drop: false }`
[INFO] [stdout] b535d9daa108843cc27c3b459006b49d7839b618b7f313c1bb3fa25cde7aa39e