[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#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiterate%2Fminiwoop-backend" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iterate/miniwoop-backend on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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-8/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" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", 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] 542056b8ccb4e19c687bd5cc62ae7e56cc3635125d4f4dfb9840cbcd9e772b30
[INFO] running `Command { std: "docker" "start" "-a" "542056b8ccb4e19c687bd5cc62ae7e56cc3635125d4f4dfb9840cbcd9e772b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "542056b8ccb4e19c687bd5cc62ae7e56cc3635125d4f4dfb9840cbcd9e772b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542056b8ccb4e19c687bd5cc62ae7e56cc3635125d4f4dfb9840cbcd9e772b30", kill_on_drop: false }`
[INFO] [stdout] 542056b8ccb4e19c687bd5cc62ae7e56cc3635125d4f4dfb9840cbcd9e772b30
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c3e8f75b6bc73f38439e1671355c14ed1a46bb0c943f51d100cd946651a6dce
[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" "6c3e8f75b6bc73f38439e1671355c14ed1a46bb0c943f51d100cd946651a6dce", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.29
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking mime v0.3.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[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 v1.0.8
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking uuid v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking chrono v0.3.1
[INFO] [stderr]     Checking hyper v0.11.0
[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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.76s
[INFO] running `Command { std: "docker" "inspect" "6c3e8f75b6bc73f38439e1671355c14ed1a46bb0c943f51d100cd946651a6dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3e8f75b6bc73f38439e1671355c14ed1a46bb0c943f51d100cd946651a6dce", kill_on_drop: false }`
[INFO] [stdout] 6c3e8f75b6bc73f38439e1671355c14ed1a46bb0c943f51d100cd946651a6dce