[INFO] fetching crate gamer 0.1.0...
[INFO] checking gamer-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate gamer 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gamer 0.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gamer 0.1.0
[INFO] finished tweaking crates.io crate gamer 0.1.0
[INFO] tweaked toml for crates.io crate gamer 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b759c48709cbe1f876fde3a77adba8e2abb7b66e513af458e15868beaf2d986
[INFO] running `Command { std: "docker" "start" "-a" "4b759c48709cbe1f876fde3a77adba8e2abb7b66e513af458e15868beaf2d986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b759c48709cbe1f876fde3a77adba8e2abb7b66e513af458e15868beaf2d986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b759c48709cbe1f876fde3a77adba8e2abb7b66e513af458e15868beaf2d986", kill_on_drop: false }`
[INFO] [stdout] 4b759c48709cbe1f876fde3a77adba8e2abb7b66e513af458e15868beaf2d986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50ab8c7fb86d0f240a865694a5d8d3b48dccbc99d8b591caeed90213baa94bd
[INFO] running `Command { std: "docker" "start" "-a" "e50ab8c7fb86d0f240a865694a5d8d3b48dccbc99d8b591caeed90213baa94bd", kill_on_drop: false }`
[INFO] [stderr]     Checking gamer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<P>` in the current scope
[INFO] [stdout]   --> src/matchers/continuous/random_pairs.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         self.players.remove_item(&player);
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<P>` in the current scope
[INFO] [stdout]   --> src/matchers/continuous/random_pairs.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         self.players.remove_item(&player);
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gamer` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gamer` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e50ab8c7fb86d0f240a865694a5d8d3b48dccbc99d8b591caeed90213baa94bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50ab8c7fb86d0f240a865694a5d8d3b48dccbc99d8b591caeed90213baa94bd", kill_on_drop: false }`
[INFO] [stdout] e50ab8c7fb86d0f240a865694a5d8d3b48dccbc99d8b591caeed90213baa94bd
[INFO] checking gamer-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate gamer 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate gamer 0.1.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gamer 0.1.0
[INFO] finished tweaking crates.io crate gamer 0.1.0
[INFO] tweaked toml for crates.io crate gamer 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9961db16008c383635200d71ad5b3a505a5d7a09bfd8e75b455a013539881fc2
[INFO] running `Command { std: "docker" "start" "-a" "9961db16008c383635200d71ad5b3a505a5d7a09bfd8e75b455a013539881fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9961db16008c383635200d71ad5b3a505a5d7a09bfd8e75b455a013539881fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9961db16008c383635200d71ad5b3a505a5d7a09bfd8e75b455a013539881fc2", kill_on_drop: false }`
[INFO] [stdout] 9961db16008c383635200d71ad5b3a505a5d7a09bfd8e75b455a013539881fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaac1e696c5fc08841883db4a8896de7f39aa650342f283a8f6393af2ab4b762
[INFO] running `Command { std: "docker" "start" "-a" "eaac1e696c5fc08841883db4a8896de7f39aa650342f283a8f6393af2ab4b762", kill_on_drop: false }`
[INFO] [stderr]     Checking gamer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matchers/simple/round_robin.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |         for n in 1..20 {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matchers/simple/round_robin.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |             assert_eq!(r.len(), (0..n).into_iter().sum::<usize>());
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matchers/simple/round_robin.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |         for n in 1..20 {
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matchers/simple/round_robin.rs:52:55
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let r: Vec<Vec<usize>> = RoundRobin::new((0..n).into_iter().collect()).collect();
[INFO] [stdout]    |                                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/matchers/simple/round_robin.rs:53:34
[INFO] [stdout]    |
[INFO] [stdout] 53 |             assert_eq!(r.len(), (0..n).into_iter().sum::<usize>());
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<P>` in the current scope
[INFO] [stdout]   --> src/matchers/continuous/random_pairs.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         self.players.remove_item(&player);
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<P>` in the current scope
[INFO] [stdout]   --> src/matchers/continuous/random_pairs.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         self.players.remove_item(&player);
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gamer` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gamer` (lib test) due to 3 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "eaac1e696c5fc08841883db4a8896de7f39aa650342f283a8f6393af2ab4b762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaac1e696c5fc08841883db4a8896de7f39aa650342f283a8f6393af2ab4b762", kill_on_drop: false }`
[INFO] [stdout] eaac1e696c5fc08841883db4a8896de7f39aa650342f283a8f6393af2ab4b762
