[INFO] fetching crate jsonxf 1.1.1...
[INFO] checking jsonxf-1.1.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate jsonxf 1.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jsonxf 1.1.1 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 jsonxf 1.1.1
[INFO] finished tweaking crates.io crate jsonxf 1.1.1
[INFO] tweaked toml for crates.io crate jsonxf 1.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate jsonxf 1.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1309f021f1a4320f1273361abba463e667eadbb51b911637806617754407ab6c
[INFO] running `Command { std: "docker" "start" "-a" "1309f021f1a4320f1273361abba463e667eadbb51b911637806617754407ab6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1309f021f1a4320f1273361abba463e667eadbb51b911637806617754407ab6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1309f021f1a4320f1273361abba463e667eadbb51b911637806617754407ab6c", kill_on_drop: false }`
[INFO] [stdout] 1309f021f1a4320f1273361abba463e667eadbb51b911637806617754407ab6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] bc6646b7704856fa85bf1dc300df1e93969f4fb41f0d3acba54ad4158af29883
[INFO] running `Command { std: "docker" "start" "-a" "bc6646b7704856fa85bf1dc300df1e93969f4fb41f0d3acba54ad4158af29883", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking jsonxf v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "bc6646b7704856fa85bf1dc300df1e93969f4fb41f0d3acba54ad4158af29883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6646b7704856fa85bf1dc300df1e93969f4fb41f0d3acba54ad4158af29883", kill_on_drop: false }`
[INFO] [stdout] bc6646b7704856fa85bf1dc300df1e93969f4fb41f0d3acba54ad4158af29883