[INFO] cloning repository https://github.com/HristoKolev/watch-run [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HristoKolev/watch-run" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHristoKolev%2Fwatch-run"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHristoKolev%2Fwatch-run'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b61fe558dd2d9bce5ce73f41847dd30935c3af00 [INFO] checking HristoKolev/watch-run against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHristoKolev%2Fwatch-run" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HristoKolev/watch-run on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/HristoKolev/watch-run [INFO] finished tweaking git repo https://github.com/HristoKolev/watch-run [INFO] tweaked toml for git repo https://github.com/HristoKolev/watch-run written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/HristoKolev/watch-run already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7d59a07f943304f7548414fdc6c9088c77f04683c808791e1a951bc5d7079523 [INFO] running `"docker" "start" "-a" "7d59a07f943304f7548414fdc6c9088c77f04683c808791e1a951bc5d7079523"` [INFO] [stderr] Compiling syn v0.15.38 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling backtrace v0.3.31 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Compiling sentry v0.15.5 [INFO] [stderr] Checking uname v0.1.1 [INFO] [stderr] Checking openssl-sys v0.9.47 [INFO] [stderr] Checking sized-chunks v0.1.3 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking string v0.2.0 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking openssl v0.10.23 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.24 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking regex v1.1.7 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking hyper v0.12.30 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking url_serde v0.2.0 [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 watch-run v0.1.1 (/opt/rustwide/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 2m 01s [INFO] running `"docker" "inspect" "7d59a07f943304f7548414fdc6c9088c77f04683c808791e1a951bc5d7079523"` [INFO] running `"docker" "rm" "-f" "7d59a07f943304f7548414fdc6c9088c77f04683c808791e1a951bc5d7079523"` [INFO] [stdout] 7d59a07f943304f7548414fdc6c9088c77f04683c808791e1a951bc5d7079523