[INFO] fetching crate json-spanned-value 0.2.2...
[INFO] checking json-spanned-value-0.2.2 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate json-spanned-value 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate json-spanned-value 0.2.2 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 json-spanned-value 0.2.2
[INFO] finished tweaking crates.io crate json-spanned-value 0.2.2
[INFO] tweaked toml for crates.io crate json-spanned-value 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate json-spanned-value 0.2.2 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c2efbb37ab84a5e6f5374625db57f2b9c3cacf884aafae37544c8107ed8a4279
[INFO] running `Command { std: "docker" "start" "-a" "c2efbb37ab84a5e6f5374625db57f2b9c3cacf884aafae37544c8107ed8a4279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2efbb37ab84a5e6f5374625db57f2b9c3cacf884aafae37544c8107ed8a4279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2efbb37ab84a5e6f5374625db57f2b9c3cacf884aafae37544c8107ed8a4279", kill_on_drop: false }`
[INFO] [stdout] c2efbb37ab84a5e6f5374625db57f2b9c3cacf884aafae37544c8107ed8a4279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5f43f0cd03e999f0f21cd4660d04aba5f1908d3c73f5e618c08145a4920209d2
[INFO] running `Command { std: "docker" "start" "-a" "5f43f0cd03e999f0f21cd4660d04aba5f1908d3c73f5e618c08145a4920209d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking json-spanned-value v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.80s
[INFO] running `Command { std: "docker" "inspect" "5f43f0cd03e999f0f21cd4660d04aba5f1908d3c73f5e618c08145a4920209d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f43f0cd03e999f0f21cd4660d04aba5f1908d3c73f5e618c08145a4920209d2", kill_on_drop: false }`
[INFO] [stdout] 5f43f0cd03e999f0f21cd4660d04aba5f1908d3c73f5e618c08145a4920209d2