[INFO] cloning repository https://github.com/kokeshing/strict_weak_order_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kokeshing/strict_weak_order_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokeshing%2Fstrict_weak_order_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokeshing%2Fstrict_weak_order_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bab80461e56b061848445201754627943b2280a
[INFO] checking kokeshing/strict_weak_order_rust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkokeshing%2Fstrict_weak_order_rust" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kokeshing/strict_weak_order_rust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kokeshing/strict_weak_order_rust
[INFO] finished tweaking git repo https://github.com/kokeshing/strict_weak_order_rust
[INFO] tweaked toml for git repo https://github.com/kokeshing/strict_weak_order_rust written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/kokeshing/strict_weak_order_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 256a4a84f9f6470121835e7ac2b403472f2aa3b2cdea5220502eb7ff9246d081
[INFO] running `Command { std: "docker" "start" "-a" "256a4a84f9f6470121835e7ac2b403472f2aa3b2cdea5220502eb7ff9246d081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "256a4a84f9f6470121835e7ac2b403472f2aa3b2cdea5220502eb7ff9246d081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256a4a84f9f6470121835e7ac2b403472f2aa3b2cdea5220502eb7ff9246d081", kill_on_drop: false }`
[INFO] [stdout] 256a4a84f9f6470121835e7ac2b403472f2aa3b2cdea5220502eb7ff9246d081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37372d5f48c78b262854a4363341087ca68eb86abdc60b52195a6775bf6efe32
[INFO] running `Command { std: "docker" "start" "-a" "37372d5f48c78b262854a4363341087ca68eb86abdc60b52195a6775bf6efe32", kill_on_drop: false }`
[INFO] [stderr]     Checking is_sorted v0.1.0
[INFO] [stderr]     Checking strict_weak_order_sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/main.rs:178:44
[INFO] [stdout]     |
[INFO] [stdout] 178 |     println!("soted : {:?}", vector.iter().is_sorted());
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `is_sorted::IsSorted::is_sorted(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(is_sorted)]` to the crate attributes to enable `std::iter::Iterator::is_sorted`
[INFO] [stdout]     = help: add `#![feature(is_sorted)]` to the crate attributes to enable `std::iter::Iterator::is_sorted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/main.rs:178:44
[INFO] [stdout]     |
[INFO] [stdout] 178 |     println!("soted : {:?}", vector.iter().is_sorted());
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `is_sorted::IsSorted::is_sorted(...)` to keep using the current method
[INFO] [stdout]     = help: add `#![feature(is_sorted)]` to the crate attributes to enable `std::iter::Iterator::is_sorted`
[INFO] [stdout]     = help: add `#![feature(is_sorted)]` to the crate attributes to enable `std::iter::Iterator::is_sorted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "37372d5f48c78b262854a4363341087ca68eb86abdc60b52195a6775bf6efe32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37372d5f48c78b262854a4363341087ca68eb86abdc60b52195a6775bf6efe32", kill_on_drop: false }`
[INFO] [stdout] 37372d5f48c78b262854a4363341087ca68eb86abdc60b52195a6775bf6efe32