[INFO] updating cached repository coreos/coreos-metadata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coreos/coreos-metadata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coreos/coreos-metadata" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/coreos/coreos-metadata"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/coreos/coreos-metadata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coreos/coreos-metadata" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/coreos/coreos-metadata"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/coreos/coreos-metadata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b12bfd1fb6da22913d1c9cbb81c48fe1859618b
[INFO] sha for GitHub repo coreos/coreos-metadata: 4b12bfd1fb6da22913d1c9cbb81c48fe1859618b
[INFO] validating manifest of coreos/coreos-metadata on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of coreos/coreos-metadata on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing coreos/coreos-metadata
[INFO] finished frobbing coreos/coreos-metadata
[INFO] frobbed toml for coreos/coreos-metadata written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/coreos/coreos-metadata/Cargo.toml
[INFO] started frobbing coreos/coreos-metadata
[INFO] finished frobbing coreos/coreos-metadata
[INFO] frobbed toml for coreos/coreos-metadata written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/coreos/coreos-metadata/Cargo.toml
[INFO] crate coreos/coreos-metadata already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking coreos/coreos-metadata against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/coreos/coreos-metadata:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b4d6090790da948f18e7fd5a86f4d6d2066ffc4c932613142264238a82660273
[INFO] running `"docker" "start" "-a" "b4d6090790da948f18e7fd5a86f4d6d2066ffc4c932613142264238a82660273"`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking encoding_rs v0.8.13
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking pnet_sys v0.22.0
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[INFO] [stderr]     Checking nix v0.14.0
[INFO] [stderr]     Checking users v0.9.1
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[INFO] [stderr]     Checking parking_lot_core v0.3.1
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[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]    Compiling phf_codegen v0.7.23
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[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking openssh-keys v0.4.1
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking crossbeam v0.6.0
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking pnet_datalink v0.22.0
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[INFO] [stderr]     Checking mockito v0.17.1
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[INFO] [stderr]     Checking afterburn v4.1.1-alpha.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metadata.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn fetch_metadata(provider: &str) -> errors::Result<Box<providers::MetadataProvider>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn providers::MetadataProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `tempfile` is imported redundantly
[INFO] [stderr]    --> src/providers/mod.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     use tempfile;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:38:1
[INFO] [stderr]     |
[INFO] [stderr] 38  | extern crate tempfile;
[INFO] [stderr]     | ---------------------- the item `tempfile` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/metadata.rs:36:61
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn fetch_metadata(provider: &str) -> errors::Result<Box<providers::MetadataProvider>> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn providers::MetadataProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `tempfile` is imported redundantly
[INFO] [stderr]    --> src/providers/mod.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     use tempfile;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/main.rs:38:1
[INFO] [stderr]     |
[INFO] [stderr] 38  | extern crate tempfile;
[INFO] [stderr]     | ---------------------- the item `tempfile` is already imported here
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `"docker" "inspect" "b4d6090790da948f18e7fd5a86f4d6d2066ffc4c932613142264238a82660273"`
[INFO] running `"docker" "rm" "-f" "b4d6090790da948f18e7fd5a86f4d6d2066ffc4c932613142264238a82660273"`
[INFO] [stdout] b4d6090790da948f18e7fd5a86f4d6d2066ffc4c932613142264238a82660273