[INFO] crate ropey 1.0.1 is already in cache [INFO] extracting crate ropey 1.0.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/ropey/1.0.1 [INFO] extracting crate ropey 1.0.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/ropey/1.0.1 [INFO] validating manifest of ropey-1.0.1 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 ropey-1.0.1 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 ropey-1.0.1 [INFO] finished frobbing ropey-1.0.1 [INFO] frobbed toml for ropey-1.0.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/ropey/1.0.1/Cargo.toml [INFO] started frobbing ropey-1.0.1 [INFO] finished frobbing ropey-1.0.1 [INFO] frobbed toml for ropey-1.0.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/ropey/1.0.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking ropey-1.0.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/ropey/1.0.1:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 92c6c62c2ae356f835417be089461fc0dca70b8395f18d7333151e19418c64e3 [INFO] running `"docker" "start" "-a" "92c6c62c2ae356f835417be089461fc0dca70b8395f18d7333151e19418c64e3"` [INFO] [stderr] Checking ropey v1.0.1 (/opt/crater/workdir) [INFO] [stderr] Checking proptest v0.8.7 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rope.rs:1217:29 [INFO] [stderr] | [INFO] [stderr] 1217 | let mut root = Arc::make_mut(&mut rope.root); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rope.rs:1227:29 [INFO] [stderr] | [INFO] [stderr] 1227 | let mut root = Arc::make_mut(&mut rope.root); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree/node.rs:96:30 [INFO] [stderr] | [INFO] [stderr] 96 | let (l_info, mut residual) = Arc::make_mut(&mut children.nodes_mut()[child_i]) [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree/node.rs:201:21 [INFO] [stderr] | [INFO] [stderr] 201 | let mut handle_child = |children: &mut NodeChildren, [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/iter.rs:723:42 [INFO] [stderr] | [INFO] [stderr] 723 | assert_eq!(liner.to_string().trim_right(), linet); [INFO] [stderr] | ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rope.rs:1217:29 [INFO] [stderr] | [INFO] [stderr] 1217 | let mut root = Arc::make_mut(&mut rope.root); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/rope.rs:1227:29 [INFO] [stderr] | [INFO] [stderr] 1227 | let mut root = Arc::make_mut(&mut rope.root); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree/node.rs:96:30 [INFO] [stderr] | [INFO] [stderr] 96 | let (l_info, mut residual) = Arc::make_mut(&mut children.nodes_mut()[child_i]) [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tree/node.rs:201:21 [INFO] [stderr] | [INFO] [stderr] 201 | let mut handle_child = |children: &mut NodeChildren, [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.08s [INFO] running `"docker" "inspect" "92c6c62c2ae356f835417be089461fc0dca70b8395f18d7333151e19418c64e3"` [INFO] running `"docker" "rm" "-f" "92c6c62c2ae356f835417be089461fc0dca70b8395f18d7333151e19418c64e3"` [INFO] [stdout] 92c6c62c2ae356f835417be089461fc0dca70b8395f18d7333151e19418c64e3