[INFO] cloning repository https://github.com/qdeduction/qbar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qdeduction/qbar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdeduction%2Fqbar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdeduction%2Fqbar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ed58c467be734aee84ca8a7f3e42d1f821b4dbc
[INFO] checking qdeduction/qbar against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdeduction%2Fqbar" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qdeduction/qbar on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qdeduction/qbar
[INFO] finished tweaking git repo https://github.com/qdeduction/qbar
[INFO] tweaked toml for git repo https://github.com/qdeduction/qbar written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/qdeduction/qbar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/qdeduction/rational_deduction.rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded b3sum v0.3.7
[INFO] [stderr]   Downloaded crossterm v0.15.0
[INFO] [stderr]   Downloaded terminal v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] decdb4cc3d3d4909604a369e7c4907819929ea9edf021785e6c9a10c4d0637e9
[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" "decdb4cc3d3d4909604a369e7c4907819929ea9edf021785e6c9a10c4d0637e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "decdb4cc3d3d4909604a369e7c4907819929ea9edf021785e6c9a10c4d0637e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decdb4cc3d3d4909604a369e7c4907819929ea9edf021785e6c9a10c4d0637e9", kill_on_drop: false }`
[INFO] [stdout] decdb4cc3d3d4909604a369e7c4907819929ea9edf021785e6c9a10c4d0637e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 7dbf3619366aff54cc7e8666409eb02a480b98b5182e7dd7273e4c8811bbd6b4
[INFO] running `Command { std: "docker" "start" "-a" "7dbf3619366aff54cc7e8666409eb02a480b98b5182e7dd7273e4c8811bbd6b4", kill_on_drop: false }`
[INFO] [stderr]     Checking rational_deduction v0.0.0 (https://github.com/qdeduction/rational_deduction.rs#97324574)
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.15.0
[INFO] [stderr]     Checking terminal v0.2.1
[INFO] [stderr]     Checking qbar v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "7dbf3619366aff54cc7e8666409eb02a480b98b5182e7dd7273e4c8811bbd6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbf3619366aff54cc7e8666409eb02a480b98b5182e7dd7273e4c8811bbd6b4", kill_on_drop: false }`
[INFO] [stdout] 7dbf3619366aff54cc7e8666409eb02a480b98b5182e7dd7273e4c8811bbd6b4