[INFO] updating cached repository Bleiglanz/rust_iron
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Bleiglanz/rust_iron
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Bleiglanz/rust_iron" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/Bleiglanz/rust_iron"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/Bleiglanz/rust_iron'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Bleiglanz/rust_iron" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/Bleiglanz/rust_iron"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/Bleiglanz/rust_iron'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70ca6d05cd4dcd15f9f26253a5a21541556937d2
[INFO] sha for GitHub repo Bleiglanz/rust_iron: 70ca6d05cd4dcd15f9f26253a5a21541556937d2
[INFO] validating manifest of Bleiglanz/rust_iron on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Bleiglanz/rust_iron on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Bleiglanz/rust_iron
[INFO] finished frobbing Bleiglanz/rust_iron
[INFO] frobbed toml for Bleiglanz/rust_iron written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/Bleiglanz/rust_iron/Cargo.toml
[INFO] started frobbing Bleiglanz/rust_iron
[INFO] finished frobbing Bleiglanz/rust_iron
[INFO] frobbed toml for Bleiglanz/rust_iron written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/Bleiglanz/rust_iron/Cargo.toml
[INFO] crate Bleiglanz/rust_iron already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Bleiglanz/rust_iron against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-3/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/Bleiglanz/rust_iron:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e9b307f32700f454503d20b76886f46c9140dc59eef30aa83262d25f92cabf31
[INFO] running `"docker" "start" "-a" "e9b307f32700f454503d20b76886f46c9140dc59eef30aa83262d25f92cabf31"`
[INFO] [stderr]    Compiling backtrace v0.3.22
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking persistent v0.3.0
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking bodyparser v0.5.0
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking urlencoded v0.5.0
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]     Checking params v0.8.0
[INFO] [stderr]     Checking rust_iron v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> tests/semigrouptests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.62s
[INFO] running `"docker" "inspect" "e9b307f32700f454503d20b76886f46c9140dc59eef30aa83262d25f92cabf31"`
[INFO] running `"docker" "rm" "-f" "e9b307f32700f454503d20b76886f46c9140dc59eef30aa83262d25f92cabf31"`
[INFO] [stdout] e9b307f32700f454503d20b76886f46c9140dc59eef30aa83262d25f92cabf31