[INFO] fetching crate xml_tokens 0.1.5...
[INFO] checking xml_tokens-0.1.5 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate xml_tokens 0.1.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xml_tokens 0.1.5 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xml_tokens 0.1.5
[INFO] finished tweaking crates.io crate xml_tokens 0.1.5
[INFO] tweaked toml for crates.io crate xml_tokens 0.1.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate xml_tokens 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1df639c9a8a5c4d128f949b132c18b9b0c37a2fa626bc1411365795ac9151b9
[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" "f1df639c9a8a5c4d128f949b132c18b9b0c37a2fa626bc1411365795ac9151b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1df639c9a8a5c4d128f949b132c18b9b0c37a2fa626bc1411365795ac9151b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1df639c9a8a5c4d128f949b132c18b9b0c37a2fa626bc1411365795ac9151b9", kill_on_drop: false }`
[INFO] [stdout] f1df639c9a8a5c4d128f949b132c18b9b0c37a2fa626bc1411365795ac9151b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04bf792264cc1bfeaee575344f0cc545f0b683c13487d729132322e69fff0fbb
[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" "04bf792264cc1bfeaee575344f0cc545f0b683c13487d729132322e69fff0fbb", kill_on_drop: false }`
[INFO] [stderr]     Checking xml_tokens v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "04bf792264cc1bfeaee575344f0cc545f0b683c13487d729132322e69fff0fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bf792264cc1bfeaee575344f0cc545f0b683c13487d729132322e69fff0fbb", kill_on_drop: false }`
[INFO] [stdout] 04bf792264cc1bfeaee575344f0cc545f0b683c13487d729132322e69fff0fbb