[INFO] updating cached repository reynisdrangar/slack-gc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/reynisdrangar/slack-gc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/reynisdrangar/slack-gc" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/reynisdrangar/slack-gc"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/reynisdrangar/slack-gc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/reynisdrangar/slack-gc" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/reynisdrangar/slack-gc"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/reynisdrangar/slack-gc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbd984de305d8ba6f13c5d1a59a9dd54f4e8e1ff
[INFO] sha for GitHub repo reynisdrangar/slack-gc: fbd984de305d8ba6f13c5d1a59a9dd54f4e8e1ff
[INFO] validating manifest of reynisdrangar/slack-gc on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of reynisdrangar/slack-gc on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing reynisdrangar/slack-gc
[INFO] finished frobbing reynisdrangar/slack-gc
[INFO] frobbed toml for reynisdrangar/slack-gc written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/reynisdrangar/slack-gc/Cargo.toml
[INFO] started frobbing reynisdrangar/slack-gc
[INFO] finished frobbing reynisdrangar/slack-gc
[INFO] frobbed toml for reynisdrangar/slack-gc written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/reynisdrangar/slack-gc/Cargo.toml
[INFO] crate reynisdrangar/slack-gc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking reynisdrangar/slack-gc against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-0/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/reynisdrangar/slack-gc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1ed04033b1431f7268ed4d7f246ee7becfbcd370c44e0f2973cfb280bb7780d7
[INFO] running `"docker" "start" "-a" "1ed04033b1431f7268ed4d7f246ee7becfbcd370c44e0f2973cfb280bb7780d7"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]     Checking fern v0.5.6
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking libflate v0.1.16
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking reqwest v0.8.6
[INFO] [stderr]     Checking slack_api v0.20.0
[INFO] [stderr]     Checking slack-gc v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:73:1
[INFO] [stderr]    |
[INFO] [stderr] 73 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "1ed04033b1431f7268ed4d7f246ee7becfbcd370c44e0f2973cfb280bb7780d7"`
[INFO] running `"docker" "rm" "-f" "1ed04033b1431f7268ed4d7f246ee7becfbcd370c44e0f2973cfb280bb7780d7"`
[INFO] [stdout] 1ed04033b1431f7268ed4d7f246ee7becfbcd370c44e0f2973cfb280bb7780d7