[INFO] cloning repository https://github.com/dwango/mizumochi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwango/mizumochi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwango%2Fmizumochi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwango%2Fmizumochi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 481b57941452795bf30f53f344fbd60f29287a77
[INFO] checking dwango/mizumochi against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwango%2Fmizumochi" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwango/mizumochi on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwango/mizumochi
[INFO] finished tweaking git repo https://github.com/dwango/mizumochi
[INFO] tweaked toml for git repo https://github.com/dwango/mizumochi written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dwango/mizumochi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.4
[INFO] [stderr]   Downloaded fibers_http_server v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.41
[INFO] [stderr]   Downloaded slog v2.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.64
[INFO] [stderr]   Downloaded serde v1.0.64
[INFO] [stderr]   Downloaded syn v0.14.1
[INFO] [stderr]   Downloaded nbchan v0.1.2
[INFO] [stderr]   Downloaded rustc_version v0.2.2
[INFO] [stderr]   Downloaded factory v0.1.1
[INFO] [stderr]   Downloaded httpcodec v0.2.2
[INFO] [stderr]   Downloaded fibers v0.1.10
[INFO] [stderr]   Downloaded bytecodec v0.4.4
[INFO] [stderr]   Downloaded prometrics v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4441b3d2efac44bb4c430b3c93798dd22e6a76c36162aba017a8713f21a2b148
[INFO] running `Command { std: "docker" "start" "-a" "4441b3d2efac44bb4c430b3c93798dd22e6a76c36162aba017a8713f21a2b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4441b3d2efac44bb4c430b3c93798dd22e6a76c36162aba017a8713f21a2b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4441b3d2efac44bb4c430b3c93798dd22e6a76c36162aba017a8713f21a2b148", kill_on_drop: false }`
[INFO] [stdout] 4441b3d2efac44bb4c430b3c93798dd22e6a76c36162aba017a8713f21a2b148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9134d50f1088cadded2988c305674d4fd8fd00e0bebbc7147996fe5feeee7cb0
[INFO] running `Command { std: "docker" "start" "-a" "9134d50f1088cadded2988c305674d4fd8fd00e0bebbc7147996fe5feeee7cb0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking nbchan v0.1.2
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking factory v0.1.1
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking fibers v0.1.10
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.64
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.19
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking bytecodec v0.4.4
[INFO] [stderr]     Checking httpcodec v0.2.2
[INFO] [stderr]     Checking fibers_http_server v0.2.0
[INFO] [stderr]     Checking mizumochi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `speed_limit_disabled` is never read
[INFO] [stdout]   --> src/metrics.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Metrics {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub speed_limit_disabled: Counter,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `speed_limit_disabled` is never read
[INFO] [stdout]   --> src/metrics.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Metrics {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub speed_limit_disabled: Counter,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Metrics` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1, syn v0.14.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9134d50f1088cadded2988c305674d4fd8fd00e0bebbc7147996fe5feeee7cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9134d50f1088cadded2988c305674d4fd8fd00e0bebbc7147996fe5feeee7cb0", kill_on_drop: false }`
[INFO] [stdout] 9134d50f1088cadded2988c305674d4fd8fd00e0bebbc7147996fe5feeee7cb0