[INFO] fetching crate vec-option 0.3.0... [INFO] checking vec-option-0.3.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] extracting crate vec-option 0.3.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate vec-option 0.3.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vec-option 0.3.0 [INFO] finished tweaking crates.io crate vec-option 0.3.0 [INFO] tweaked toml for crates.io crate vec-option 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ef602dff130d88e4c88db963c30b2ecab432829a990e7e5bdfb259574d6b321 [INFO] running `Command { std: "docker" "start" "-a" "8ef602dff130d88e4c88db963c30b2ecab432829a990e7e5bdfb259574d6b321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ef602dff130d88e4c88db963c30b2ecab432829a990e7e5bdfb259574d6b321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ef602dff130d88e4c88db963c30b2ecab432829a990e7e5bdfb259574d6b321", kill_on_drop: false }` [INFO] [stdout] 8ef602dff130d88e4c88db963c30b2ecab432829a990e7e5bdfb259574d6b321 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f860e62717386d7afb1a42afb34a24d0be10de0670836e3286edb1a854f9f1a9 [INFO] running `Command { std: "docker" "start" "-a" "f860e62717386d7afb1a42afb34a24d0be10de0670836e3286edb1a854f9f1a9", kill_on_drop: false }` [INFO] [stderr] Checking vec-option v0.3.0 (/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/lib.rs:379:40 [INFO] [stdout] | [INFO] [stdout] 379 | let data = self.data.pop().unwrap_unchecked(); [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:379:40 [INFO] [stdout] | [INFO] [stdout] 379 | let data = self.data.pop().unwrap_unchecked(); [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:885:41 [INFO] [stdout] | [INFO] [stdout] 885 | let data = self.data.next().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:904:45 [INFO] [stdout] | [INFO] [stdout] 904 | let data = self.data.nth(n).unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:916:46 [INFO] [stdout] | [INFO] [stdout] 916 | let data = self.data.next_back().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:955:41 [INFO] [stdout] | [INFO] [stdout] 955 | let data = self.data.next().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:968:41 [INFO] [stdout] | [INFO] [stdout] 968 | let flag = self.flag.nth(n).unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:979:46 [INFO] [stdout] | [INFO] [stdout] 979 | let data = self.data.next_back().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:1008:41 [INFO] [stdout] | [INFO] [stdout] 1008 | let data = self.data.next().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:1021:41 [INFO] [stdout] | [INFO] [stdout] 1021 | let flag = self.flag.nth(n).unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:1032:46 [INFO] [stdout] | [INFO] [stdout] 1032 | let data = self.data.next_back().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:885:41 [INFO] [stdout] | [INFO] [stdout] 885 | let data = self.data.next().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:904:45 [INFO] [stdout] | [INFO] [stdout] 904 | let data = self.data.nth(n).unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:916:46 [INFO] [stdout] | [INFO] [stdout] 916 | let data = self.data.next_back().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:955:41 [INFO] [stdout] | [INFO] [stdout] 955 | let data = self.data.next().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:968:41 [INFO] [stdout] | [INFO] [stdout] 968 | let flag = self.flag.nth(n).unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:979:46 [INFO] [stdout] | [INFO] [stdout] 979 | let data = self.data.next_back().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:1008:41 [INFO] [stdout] | [INFO] [stdout] 1008 | let data = self.data.next().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:1021:41 [INFO] [stdout] | [INFO] [stdout] 1021 | let flag = self.flag.nth(n).unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [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/lib.rs:1032:46 [INFO] [stdout] | [INFO] [stdout] 1032 | let data = self.data.next_back().unwrap_unchecked(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [INFO] [stdout] = help: call with fully qualified syntax `UnwrapUnchecked::unwrap_unchecked(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(option_result_unwrap_unchecked)]` to the crate attributes to enable `Option::::unwrap_unchecked` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "f860e62717386d7afb1a42afb34a24d0be10de0670836e3286edb1a854f9f1a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f860e62717386d7afb1a42afb34a24d0be10de0670836e3286edb1a854f9f1a9", kill_on_drop: false }` [INFO] [stdout] f860e62717386d7afb1a42afb34a24d0be10de0670836e3286edb1a854f9f1a9