[INFO] crate snoot 0.1.2 is already in cache [INFO] extracting crate snoot 0.1.2 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/snoot/0.1.2 [INFO] extracting crate snoot 0.1.2 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/snoot/0.1.2 [INFO] validating manifest of snoot-0.1.2 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of snoot-0.1.2 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing snoot-0.1.2 [INFO] finished frobbing snoot-0.1.2 [INFO] frobbed toml for snoot-0.1.2 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/snoot/0.1.2/Cargo.toml [INFO] started frobbing snoot-0.1.2 [INFO] finished frobbing snoot-0.1.2 [INFO] frobbed toml for snoot-0.1.2 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/snoot/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking snoot-0.1.2 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/snoot/0.1.2:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f0ef06673e19d82f5174d553a96ba10500fb044cecfd7dec758fa4469f8f516b [INFO] running `"docker" "start" "-a" "f0ef06673e19d82f5174d553a96ba10500fb044cecfd7dec758fa4469f8f516b"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking snoot v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: the item `Ord` is imported redundantly [INFO] [stderr] --> src/diagnostic/diagnostic_bag.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | use std::cmp::Ord; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `Ord` is imported redundantly [INFO] [stderr] --> src/diagnostic/diagnostic_bag.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | use std::cmp::Ord; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/serde_serialization/mod.rs:300:29 [INFO] [stderr] | [INFO] [stderr] 300 | fn deserialize_tuple(mut self, len: usize, visitor: V) -> Result [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/serde_serialization/mod.rs:310:36 [INFO] [stderr] | [INFO] [stderr] 310 | fn deserialize_tuple_struct(mut self, [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/serde_serialization/mod.rs:357:30 [INFO] [stderr] | [INFO] [stderr] 357 | fn deserialize_struct(mut self, [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/serde_serialization/mod.rs:300:29 [INFO] [stderr] | [INFO] [stderr] 300 | fn deserialize_tuple(mut self, len: usize, visitor: V) -> Result [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/serde_serialization/mod.rs:310:36 [INFO] [stderr] | [INFO] [stderr] 310 | fn deserialize_tuple_struct(mut self, [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/serde_serialization/mod.rs:357:30 [INFO] [stderr] | [INFO] [stderr] 357 | fn deserialize_struct(mut self, [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.65s [INFO] running `"docker" "inspect" "f0ef06673e19d82f5174d553a96ba10500fb044cecfd7dec758fa4469f8f516b"` [INFO] running `"docker" "rm" "-f" "f0ef06673e19d82f5174d553a96ba10500fb044cecfd7dec758fa4469f8f516b"` [INFO] [stdout] f0ef06673e19d82f5174d553a96ba10500fb044cecfd7dec758fa4469f8f516b