[INFO] fetching crate xenu-background 0.1.1...
[INFO] checking xenu-background-0.1.1 against try#ff4041081a39fb2e940a03a55f86a4ad0b37d26a for pr-80763
[INFO] extracting crate xenu-background 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xenu-background 0.1.1 on toolchain ff4041081a39fb2e940a03a55f86a4ad0b37d26a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xenu-background 0.1.1
[INFO] finished tweaking crates.io crate xenu-background 0.1.1
[INFO] tweaked toml for crates.io crate xenu-background 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xyz v0.2.1
[INFO] [stderr]   Downloaded xcb-util v0.1.8
[INFO] [stderr]   Downloaded xcb v0.7.8
[INFO] [stderr]   Downloaded picto v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc8485c005ad8584ecec86f537cf6edd03aea0000970c01e87ea2c6f8ce126a4
[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" "dc8485c005ad8584ecec86f537cf6edd03aea0000970c01e87ea2c6f8ce126a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc8485c005ad8584ecec86f537cf6edd03aea0000970c01e87ea2c6f8ce126a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8485c005ad8584ecec86f537cf6edd03aea0000970c01e87ea2c6f8ce126a4", kill_on_drop: false }`
[INFO] [stdout] dc8485c005ad8584ecec86f537cf6edd03aea0000970c01e87ea2c6f8ce126a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ff4041081a39fb2e940a03a55f86a4ad0b37d26a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36998d3d380f420479ea008fd2ce0af379ae9c3029a21361e50f3a18279fb997
[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" "36998d3d380f420479ea008fd2ce0af379ae9c3029a21361e50f3a18279fb997", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling xcb v0.7.8
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking imagefmt v4.0.0
[INFO] [stderr]     Checking xyz v0.2.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking picto v0.1.2
[INFO] [stderr]     Checking xcb-util v0.1.8
[INFO] [stderr]     Checking xenu-background v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.00s
[INFO] running `Command { std: "docker" "inspect" "36998d3d380f420479ea008fd2ce0af379ae9c3029a21361e50f3a18279fb997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36998d3d380f420479ea008fd2ce0af379ae9c3029a21361e50f3a18279fb997", kill_on_drop: false }`
[INFO] [stdout] 36998d3d380f420479ea008fd2ce0af379ae9c3029a21361e50f3a18279fb997