[INFO] cloning repository https://github.com/raskchanky/candida
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raskchanky/candida" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraskchanky%2Fcandida", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraskchanky%2Fcandida'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c48df0e069bf91f4dbe3c94db7e9aeb2d9bff5d
[INFO] checking raskchanky/candida against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraskchanky%2Fcandida" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raskchanky/candida on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raskchanky/candida
[INFO] finished tweaking git repo https://github.com/raskchanky/candida
[INFO] tweaked toml for git repo https://github.com/raskchanky/candida written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/raskchanky/candida already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c254eab096bdb1f07f6fbb134934c9c36e8c7da2346b218bbf7bbd9cbc79e653
[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" "c254eab096bdb1f07f6fbb134934c9c36e8c7da2346b218bbf7bbd9cbc79e653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c254eab096bdb1f07f6fbb134934c9c36e8c7da2346b218bbf7bbd9cbc79e653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c254eab096bdb1f07f6fbb134934c9c36e8c7da2346b218bbf7bbd9cbc79e653", kill_on_drop: false }`
[INFO] [stdout] c254eab096bdb1f07f6fbb134934c9c36e8c7da2346b218bbf7bbd9cbc79e653
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26d0d664bfb022618c56d2affcf28b9bea9430f7dc23fc170b7f5153b2b454a2
[INFO] running `Command { std: "docker" "start" "-a" "26d0d664bfb022618c56d2affcf28b9bea9430f7dc23fc170b7f5153b2b454a2", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking spin v0.5.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tracing-core v0.1.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.2
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.2
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.2
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.2
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.2
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.2
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.2
[INFO] [stderr]     Checking tokio v0.2.0-alpha.2
[INFO] [stderr]     Checking tracing v0.1.6
[INFO] [stderr]     Checking candida v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.01s
[INFO] running `Command { std: "docker" "inspect" "26d0d664bfb022618c56d2affcf28b9bea9430f7dc23fc170b7f5153b2b454a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d0d664bfb022618c56d2affcf28b9bea9430f7dc23fc170b7f5153b2b454a2", kill_on_drop: false }`
[INFO] [stdout] 26d0d664bfb022618c56d2affcf28b9bea9430f7dc23fc170b7f5153b2b454a2