[INFO] fetching crate xkcd_api 1.0.0...
[INFO] checking xkcd_api-1.0.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate xkcd_api 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xkcd_api 1.0.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xkcd_api 1.0.0
[INFO] finished tweaking crates.io crate xkcd_api 1.0.0
[INFO] tweaked toml for crates.io crate xkcd_api 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e3dc2a65cad30afd96abd093d7c986b86924251065825184fa4f85fd361b9b1
[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" "9e3dc2a65cad30afd96abd093d7c986b86924251065825184fa4f85fd361b9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e3dc2a65cad30afd96abd093d7c986b86924251065825184fa4f85fd361b9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3dc2a65cad30afd96abd093d7c986b86924251065825184fa4f85fd361b9b1", kill_on_drop: false }`
[INFO] [stdout] 9e3dc2a65cad30afd96abd093d7c986b86924251065825184fa4f85fd361b9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913ebb5e1cfd18e645543a48b7276baadb2d452a951e118fcd8d89cf1434f2d7
[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" "913ebb5e1cfd18e645543a48b7276baadb2d452a951e118fcd8d89cf1434f2d7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]    Compiling nanoserde-derive v0.1.17
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking nanoserde v0.1.26
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]     Checking xkcd_api v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.71s
[INFO] running `Command { std: "docker" "inspect" "913ebb5e1cfd18e645543a48b7276baadb2d452a951e118fcd8d89cf1434f2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913ebb5e1cfd18e645543a48b7276baadb2d452a951e118fcd8d89cf1434f2d7", kill_on_drop: false }`
[INFO] [stdout] 913ebb5e1cfd18e645543a48b7276baadb2d452a951e118fcd8d89cf1434f2d7