[INFO] updating cached repository HristoKolev/watch-run [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/HristoKolev/watch-run [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/watch-run" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/HristoKolev/watch-run"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/HristoKolev/watch-run'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/HristoKolev/watch-run" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/HristoKolev/watch-run"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/HristoKolev/watch-run'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b61fe558dd2d9bce5ce73f41847dd30935c3af00 [INFO] sha for GitHub repo HristoKolev/watch-run: b61fe558dd2d9bce5ce73f41847dd30935c3af00 [INFO] validating manifest of HristoKolev/watch-run on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of HristoKolev/watch-run on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing HristoKolev/watch-run [INFO] finished frobbing HristoKolev/watch-run [INFO] frobbed toml for HristoKolev/watch-run written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/HristoKolev/watch-run/Cargo.toml [INFO] started frobbing HristoKolev/watch-run [INFO] finished frobbing HristoKolev/watch-run [INFO] frobbed toml for HristoKolev/watch-run written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/HristoKolev/watch-run/Cargo.toml [INFO] crate HristoKolev/watch-run already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking HristoKolev/watch-run against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/HristoKolev/watch-run:/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c4bf5b15fd5ceb0924849fb3323ebb758d8b9c7d2f587bb244fa30c4ebc5f390 [INFO] running `"docker" "start" "-a" "c4bf5b15fd5ceb0924849fb3323ebb758d8b9c7d2f587bb244fa30c4ebc5f390"` [INFO] [stderr] Compiling backtrace v0.3.31 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking openssl v0.10.23 [INFO] [stderr] Checking miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Checking h2 v0.1.24 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking notify v4.0.12 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Checking hyper v0.12.30 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde v1.0.93 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking url_serde v0.2.0 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking debugid v0.4.0 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking sentry-types v0.11.0 [INFO] [stderr] Checking reqwest v0.9.18 [INFO] [stderr] Checking sentry v0.15.5 [INFO] [stderr] Checking watch-run v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/global/extensions.rs:132:26 [INFO] [stderr] | [INFO] [stderr] 132 | Some(v) => v.flatten(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_flattening)]` to the crate attributes to enable `std::option::Option::>::flatten` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/global/extensions.rs:141:26 [INFO] [stderr] | [INFO] [stderr] 141 | Some(v) => v.flatten(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_flattening)]` to the crate attributes to enable `std::option::Option::>::flatten` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/global/extensions.rs:150:26 [INFO] [stderr] | [INFO] [stderr] 150 | Some(v) => v.flatten(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_flattening)]` to the crate attributes to enable `std::option::Option::>::flatten` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/global/extensions.rs:132:26 [INFO] [stderr] | [INFO] [stderr] 132 | Some(v) => v.flatten(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_flattening)]` to the crate attributes to enable `std::option::Option::>::flatten` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/global/extensions.rs:141:26 [INFO] [stderr] | [INFO] [stderr] 141 | Some(v) => v.flatten(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_flattening)]` to the crate attributes to enable `std::option::Option::>::flatten` [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/global/extensions.rs:150:26 [INFO] [stderr] | [INFO] [stderr] 150 | Some(v) => v.flatten(), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `global::extensions::OptionFlatten::flatten(...)` to keep using the current method [INFO] [stderr] = help: add `#![feature(option_flattening)]` to the crate attributes to enable `std::option::Option::>::flatten` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `"docker" "inspect" "c4bf5b15fd5ceb0924849fb3323ebb758d8b9c7d2f587bb244fa30c4ebc5f390"` [INFO] running `"docker" "rm" "-f" "c4bf5b15fd5ceb0924849fb3323ebb758d8b9c7d2f587bb244fa30c4ebc5f390"` [INFO] [stdout] c4bf5b15fd5ceb0924849fb3323ebb758d8b9c7d2f587bb244fa30c4ebc5f390