[INFO] fetching crate xlsx2json 0.0.2...
[INFO] checking xlsx2json-0.0.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate xlsx2json 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xlsx2json 0.0.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xlsx2json 0.0.2
[INFO] finished tweaking crates.io crate xlsx2json 0.0.2
[INFO] tweaked toml for crates.io crate xlsx2json 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate xlsx2json 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d374c76bbb9ce431ae2fc1eacf9008eb18f30a5b88e42eb8b62ffd6c2f25a39f
[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" "d374c76bbb9ce431ae2fc1eacf9008eb18f30a5b88e42eb8b62ffd6c2f25a39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d374c76bbb9ce431ae2fc1eacf9008eb18f30a5b88e42eb8b62ffd6c2f25a39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d374c76bbb9ce431ae2fc1eacf9008eb18f30a5b88e42eb8b62ffd6c2f25a39f", kill_on_drop: false }`
[INFO] [stdout] d374c76bbb9ce431ae2fc1eacf9008eb18f30a5b88e42eb8b62ffd6c2f25a39f
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a204b2174e9e47cde48f3a98baf7c2d77af66ded1275a1214cb2c6bf477bfaa2
[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" "a204b2174e9e47cde48f3a98baf7c2d77af66ded1275a1214cb2c6bf477bfaa2", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking calamine v0.16.1
[INFO] [stderr]     Checking xlsx2json v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.06s
[INFO] running `Command { std: "docker" "inspect" "a204b2174e9e47cde48f3a98baf7c2d77af66ded1275a1214cb2c6bf477bfaa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a204b2174e9e47cde48f3a98baf7c2d77af66ded1275a1214cb2c6bf477bfaa2", kill_on_drop: false }`
[INFO] [stdout] a204b2174e9e47cde48f3a98baf7c2d77af66ded1275a1214cb2c6bf477bfaa2