[INFO] fetching crate qbar 0.0.0...
[INFO] checking qbar-0.0.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate qbar 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate qbar 0.0.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qbar 0.0.0
[INFO] finished tweaking crates.io crate qbar 0.0.0
[INFO] tweaked toml for crates.io crate qbar 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate qbar 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminal v0.2.1
[INFO] [stderr]   Downloaded crossterm v0.15.0
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76448a84fb217ed0237637637a61820cf6763280f0587f491baf3f6b12a7c13
[INFO] running `Command { std: "docker" "start" "-a" "a76448a84fb217ed0237637637a61820cf6763280f0587f491baf3f6b12a7c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76448a84fb217ed0237637637a61820cf6763280f0587f491baf3f6b12a7c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76448a84fb217ed0237637637a61820cf6763280f0587f491baf3f6b12a7c13", kill_on_drop: false }`
[INFO] [stdout] a76448a84fb217ed0237637637a61820cf6763280f0587f491baf3f6b12a7c13
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7490a95d781e85e1a278ba7e4c90d6fe9d737427feed80cce4ef46cde3ce76b
[INFO] running `Command { std: "docker" "start" "-a" "f7490a95d781e85e1a278ba7e4c90d6fe9d737427feed80cce4ef46cde3ce76b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking iovec v0.1.4
[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 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "f7490a95d781e85e1a278ba7e4c90d6fe9d737427feed80cce4ef46cde3ce76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7490a95d781e85e1a278ba7e4c90d6fe9d737427feed80cce4ef46cde3ce76b", kill_on_drop: false }`
[INFO] [stdout] f7490a95d781e85e1a278ba7e4c90d6fe9d737427feed80cce4ef46cde3ce76b