[INFO] cloning repository https://github.com/iterate/miniwoop-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iterate/miniwoop-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiterate%2Fminiwoop-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiterate%2Fminiwoop-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e6bc456029694b3624ddb52a303126a58c68449
[INFO] checking iterate/miniwoop-backend against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiterate%2Fminiwoop-backend" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iterate/miniwoop-backend on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iterate/miniwoop-backend
[INFO] finished tweaking git repo https://github.com/iterate/miniwoop-backend
[INFO] tweaked toml for git repo https://github.com/iterate/miniwoop-backend written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/iterate/miniwoop-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44117ea30b102d4b85816d9ef7bb56367d47213fb6f1361efadf5351b8ec7e6d
[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" "44117ea30b102d4b85816d9ef7bb56367d47213fb6f1361efadf5351b8ec7e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44117ea30b102d4b85816d9ef7bb56367d47213fb6f1361efadf5351b8ec7e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44117ea30b102d4b85816d9ef7bb56367d47213fb6f1361efadf5351b8ec7e6d", kill_on_drop: false }`
[INFO] [stdout] 44117ea30b102d4b85816d9ef7bb56367d47213fb6f1361efadf5351b8ec7e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "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] bbdc0fe47450e4e3d21a8296f89557bfa478d2744d31f9004f9914ea8a009c47
[INFO] running `Command { std: "docker" "start" "-a" "bbdc0fe47450e4e3d21a8296f89557bfa478d2744d31f9004f9914ea8a009c47", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking mime v0.3.2
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.8
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking hyper v0.11.0
[INFO] [stderr]     Checking uuid v0.5.0
[INFO] [stderr]     Checking chrono v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking miniwoop-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.74s
[INFO] running `Command { std: "docker" "inspect" "bbdc0fe47450e4e3d21a8296f89557bfa478d2744d31f9004f9914ea8a009c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdc0fe47450e4e3d21a8296f89557bfa478d2744d31f9004f9914ea8a009c47", kill_on_drop: false }`
[INFO] [stdout] bbdc0fe47450e4e3d21a8296f89557bfa478d2744d31f9004f9914ea8a009c47