[INFO] crate bender 0.13.1 is already in cache [INFO] extracting crate bender 0.13.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bender/0.13.1 [INFO] extracting crate bender 0.13.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bender/0.13.1 [INFO] validating manifest of bender-0.13.1 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 bender-0.13.1 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 bender-0.13.1 [INFO] finished frobbing bender-0.13.1 [INFO] frobbed toml for bender-0.13.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/bender/0.13.1/Cargo.toml [INFO] started frobbing bender-0.13.1 [INFO] finished frobbing bender-0.13.1 [INFO] frobbed toml for bender-0.13.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/bender/0.13.1/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] checking bender-0.13.1 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/bender/0.13.1:/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] e8304d893cb5df62b7657f929eb34137e7030cf8409b0923cda08e18f51eba59 [INFO] running `"docker" "start" "-a" "e8304d893cb5df62b7657f929eb34137e7030cf8409b0923cda08e18f51eba59"` [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking blake2 v0.7.1 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tokio-signal v0.1.5 [INFO] [stderr] Checking tokio-process v0.1.6 [INFO] [stderr] Checking bender v0.13.1 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:92:27 [INFO] [stderr] | [INFO] [stderr] 92 | pub cause: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:122:32 [INFO] [stderr] | [INFO] [stderr] 122 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: the item `canonicalize` is imported redundantly [INFO] [stderr] --> src/cli.rs:264:19 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | ------------ the item `canonicalize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 264 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `metadata` is imported redundantly [INFO] [stderr] --> src/cli.rs:264:33 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | -------- the item `metadata` is already imported here [INFO] [stderr] ... [INFO] [stderr] 264 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `fmt` is imported redundantly [INFO] [stderr] --> src/config.rs:493:13 [INFO] [stderr] | [INFO] [stderr] 13 | use std::fmt; [INFO] [stderr] | -------- the item `fmt` is already imported here [INFO] [stderr] ... [INFO] [stderr] 493 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:389:14 [INFO] [stderr] | [INFO] [stderr] 389 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:413:14 [INFO] [stderr] | [INFO] [stderr] 413 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:505:14 [INFO] [stderr] | [INFO] [stderr] 505 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:508:65 [INFO] [stderr] | [INFO] [stderr] 508 | let dep_refs_and_revs = dep_refs.and_then(|refs| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:581:14 [INFO] [stderr] | [INFO] [stderr] 581 | ) -> Box + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:666:14 [INFO] [stderr] | [INFO] [stderr] 666 | ) -> Box + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:671:44 [INFO] [stderr] | [INFO] [stderr] 671 | .and_then(move |exists| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:719:57 [INFO] [stderr] | [INFO] [stderr] 719 | let updated = scrapped.and_then(move |_| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:766:14 [INFO] [stderr] | [INFO] [stderr] 766 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:808:55 [INFO] [stderr] | [INFO] [stderr] 808 | move |entries| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:859:14 [INFO] [stderr] | [INFO] [stderr] 859 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:904:38 [INFO] [stderr] | [INFO] [stderr] 904 | pub fn sources(&'io self) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:1002:38 [INFO] [stderr] | [INFO] [stderr] 1002 | pub fn plugins(&'io self) -> Box + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: the item `Ordering` is imported redundantly [INFO] [stderr] --> src/sess.rs:1316:13 [INFO] [stderr] | [INFO] [stderr] 28 | use error::*; [INFO] [stderr] | -------- the item `Ordering` is already imported here [INFO] [stderr] ... [INFO] [stderr] 1316 | use std::sync::atomic::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Ordering` is imported redundantly [INFO] [stderr] --> src/sess.rs:1323:13 [INFO] [stderr] | [INFO] [stderr] 28 | use error::*; [INFO] [stderr] | -------- the item `Ordering` is already imported here [INFO] [stderr] ... [INFO] [stderr] 1323 | use std::sync::atomic::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/git.rs:212:34 [INFO] [stderr] | [INFO] [stderr] 212 | pub type GitFuture<'io, T> = Box + 'io>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:92:27 [INFO] [stderr] | [INFO] [stderr] 92 | pub cause: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/error.rs:122:32 [INFO] [stderr] | [INFO] [stderr] 122 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stderr] [INFO] [stderr] warning: the item `canonicalize` is imported redundantly [INFO] [stderr] --> src/cli.rs:264:19 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | ------------ the item `canonicalize` is already imported here [INFO] [stderr] ... [INFO] [stderr] 264 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `metadata` is imported redundantly [INFO] [stderr] --> src/cli.rs:264:33 [INFO] [stderr] | [INFO] [stderr] 7 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | -------- the item `metadata` is already imported here [INFO] [stderr] ... [INFO] [stderr] 264 | use std::fs::{canonicalize, metadata}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `fmt` is imported redundantly [INFO] [stderr] --> src/config.rs:493:13 [INFO] [stderr] | [INFO] [stderr] 13 | use std::fmt; [INFO] [stderr] | -------- the item `fmt` is already imported here [INFO] [stderr] ... [INFO] [stderr] 493 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:389:14 [INFO] [stderr] | [INFO] [stderr] 389 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:413:14 [INFO] [stderr] | [INFO] [stderr] 413 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:505:14 [INFO] [stderr] | [INFO] [stderr] 505 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:508:65 [INFO] [stderr] | [INFO] [stderr] 508 | let dep_refs_and_revs = dep_refs.and_then(|refs| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:581:14 [INFO] [stderr] | [INFO] [stderr] 581 | ) -> Box + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:666:14 [INFO] [stderr] | [INFO] [stderr] 666 | ) -> Box + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:671:44 [INFO] [stderr] | [INFO] [stderr] 671 | .and_then(move |exists| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:719:57 [INFO] [stderr] | [INFO] [stderr] 719 | let updated = scrapped.and_then(move |_| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:766:14 [INFO] [stderr] | [INFO] [stderr] 766 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:808:55 [INFO] [stderr] | [INFO] [stderr] 808 | move |entries| -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:859:14 [INFO] [stderr] | [INFO] [stderr] 859 | ) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:904:38 [INFO] [stderr] | [INFO] [stderr] 904 | pub fn sources(&'io self) -> Box, Error = Error> + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = Error> + 'io` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/sess.rs:1002:38 [INFO] [stderr] | [INFO] [stderr] 1002 | pub fn plugins(&'io self) -> Box + 'io> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] warning: the item `Ordering` is imported redundantly [INFO] [stderr] --> src/sess.rs:1316:13 [INFO] [stderr] | [INFO] [stderr] 28 | use error::*; [INFO] [stderr] | -------- the item `Ordering` is already imported here [INFO] [stderr] ... [INFO] [stderr] 1316 | use std::sync::atomic::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `Ordering` is imported redundantly [INFO] [stderr] --> src/sess.rs:1323:13 [INFO] [stderr] | [INFO] [stderr] 28 | use error::*; [INFO] [stderr] | -------- the item `Ordering` is already imported here [INFO] [stderr] ... [INFO] [stderr] 1323 | use std::sync::atomic::Ordering; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/git.rs:212:34 [INFO] [stderr] | [INFO] [stderr] 212 | pub type GitFuture<'io, T> = Box + 'io>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future + 'io` [INFO] [stderr] [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>` [INFO] [stderr] --> src/sess.rs:338:42 [INFO] [stderr] | [INFO] [stderr] 338 | self.intern_string(k.as_ref()), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>` [INFO] [stderr] --> src/sess.rs:338:42 [INFO] [stderr] | [INFO] [stderr] 338 | self.intern_string(k.as_ref()), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: Could not compile `bender`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0283`. [INFO] [stderr] error: Could not compile `bender`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e8304d893cb5df62b7657f929eb34137e7030cf8409b0923cda08e18f51eba59"` [INFO] running `"docker" "rm" "-f" "e8304d893cb5df62b7657f929eb34137e7030cf8409b0923cda08e18f51eba59"` [INFO] [stdout] e8304d893cb5df62b7657f929eb34137e7030cf8409b0923cda08e18f51eba59