[INFO] cloning repository https://github.com/outfrost/scramble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/outfrost/scramble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutfrost%2Fscramble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutfrost%2Fscramble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 441cd3f72922827cb9dfbcae8c871d516d30661f
[INFO] checking outfrost/scramble against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foutfrost%2Fscramble" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/outfrost/scramble on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/outfrost/scramble
[INFO] finished tweaking git repo https://github.com/outfrost/scramble
[INFO] tweaked toml for git repo https://github.com/outfrost/scramble written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/outfrost/scramble already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619c307d377446bd12013869813569a536c6529ba6cb39f78a62ff3b113e9e4e
[INFO] running `Command { std: "docker" "start" "-a" "619c307d377446bd12013869813569a536c6529ba6cb39f78a62ff3b113e9e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619c307d377446bd12013869813569a536c6529ba6cb39f78a62ff3b113e9e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619c307d377446bd12013869813569a536c6529ba6cb39f78a62ff3b113e9e4e", kill_on_drop: false }`
[INFO] [stdout] 619c307d377446bd12013869813569a536c6529ba6cb39f78a62ff3b113e9e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7237232828136f03ad07668a9bb2360ff3d8aa9a4e9f592547e3caed7efb440
[INFO] running `Command { std: "docker" "start" "-a" "b7237232828136f03ad07668a9bb2360ff3d8aa9a4e9f592547e3caed7efb440", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling libflate v1.1.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling webster v0.3.0
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking scramble v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "b7237232828136f03ad07668a9bb2360ff3d8aa9a4e9f592547e3caed7efb440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7237232828136f03ad07668a9bb2360ff3d8aa9a4e9f592547e3caed7efb440", kill_on_drop: false }`
[INFO] [stdout] b7237232828136f03ad07668a9bb2360ff3d8aa9a4e9f592547e3caed7efb440