[INFO] fetching crate zser 0.0.1...
[INFO] checking zser-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate zser 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate zser 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zser 0.0.1
[INFO] finished tweaking crates.io crate zser 0.0.1
[INFO] tweaked toml for crates.io crate zser 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42ef45d3f023c921af7be6941b91b7d6a3fdbf5b1b20f6fda93cf553d06d6450
[INFO] running `Command { std: "docker" "start" "-a" "42ef45d3f023c921af7be6941b91b7d6a3fdbf5b1b20f6fda93cf553d06d6450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42ef45d3f023c921af7be6941b91b7d6a3fdbf5b1b20f6fda93cf553d06d6450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ef45d3f023c921af7be6941b91b7d6a3fdbf5b1b20f6fda93cf553d06d6450", kill_on_drop: false }`
[INFO] [stdout] 42ef45d3f023c921af7be6941b91b7d6a3fdbf5b1b20f6fda93cf553d06d6450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e422b05f2099e55261ae01bd53a5ff32d4559dd48128d3adbecddf8f73c8b83
[INFO] running `Command { std: "docker" "start" "-a" "7e422b05f2099e55261ae01bd53a5ff32d4559dd48128d3adbecddf8f73c8b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking zser v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "7e422b05f2099e55261ae01bd53a5ff32d4559dd48128d3adbecddf8f73c8b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e422b05f2099e55261ae01bd53a5ff32d4559dd48128d3adbecddf8f73c8b83", kill_on_drop: false }`
[INFO] [stdout] 7e422b05f2099e55261ae01bd53a5ff32d4559dd48128d3adbecddf8f73c8b83