[INFO] fetching crate array_tool 1.0.3...
[INFO] checking array_tool-1.0.3 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate array_tool 1.0.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate array_tool 1.0.3 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate array_tool 1.0.3
[INFO] finished tweaking crates.io crate array_tool 1.0.3
[INFO] tweaked toml for crates.io crate array_tool 1.0.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43a59bb2d4fda28bafe11902dd1ce7e37ee77a16a7717b276e0b9b14a041a935
[INFO] running `Command { std: "docker" "start" "-a" "43a59bb2d4fda28bafe11902dd1ce7e37ee77a16a7717b276e0b9b14a041a935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43a59bb2d4fda28bafe11902dd1ce7e37ee77a16a7717b276e0b9b14a041a935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a59bb2d4fda28bafe11902dd1ce7e37ee77a16a7717b276e0b9b14a041a935", kill_on_drop: false }`
[INFO] [stdout] 43a59bb2d4fda28bafe11902dd1ce7e37ee77a16a7717b276e0b9b14a041a935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2cb07a1db7a3ffdd6ed9b4b65bb9c20e0e822673a115ac796bef2c57c28f58
[INFO] running `Command { std: "docker" "start" "-a" "ec2cb07a1db7a3ffdd6ed9b4b65bb9c20e0e822673a115ac796bef2c57c28f58", kill_on_drop: false }`
[INFO] [stderr]     Checking array_tool v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn intersect(&self, Self) -> Self;
[INFO] [stdout]     |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |   fn intersect_if<F: Fn(&T, &T) -> bool>(&self, Self, validator: F) -> Self;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/string.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SubstMarks` is imported redundantly
[INFO] [stdout]    --> src/string.rs:289:21
[INFO] [stdout]     |
[INFO] [stdout] 160 | / pub trait SubstMarks {
[INFO] [stdout] 161 | |   /// # Example
[INFO] [stdout] 162 | |   /// ```
[INFO] [stdout] 163 | |   /// use array_tool::string::SubstMarks;
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |   fn subst_marks(&self, marks: Vec<usize>, chr: &'static str) -> String;
[INFO] [stdout] 173 | | }
[INFO] [stdout]     | |_- the item `SubstMarks` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 289 |                   use string::SubstMarks;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/iter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn intersect(&self, Self) -> Self;
[INFO] [stdout]     |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |   fn intersect_if<F: Fn(&T, &T) -> bool>(&self, Self, validator: F) -> Self;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/string.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SubstMarks` is imported redundantly
[INFO] [stdout]    --> src/string.rs:289:21
[INFO] [stdout]     |
[INFO] [stdout] 160 | / pub trait SubstMarks {
[INFO] [stdout] 161 | |   /// # Example
[INFO] [stdout] 162 | |   /// ```
[INFO] [stdout] 163 | |   /// use array_tool::string::SubstMarks;
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |   fn subst_marks(&self, marks: Vec<usize>, chr: &'static str) -> String;
[INFO] [stdout] 173 | | }
[INFO] [stdout]     | |_- the item `SubstMarks` is already defined here
[INFO] [stdout] ...
[INFO] [stdout] 289 |                   use string::SubstMarks;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `len` are never read
[INFO] [stdout]   --> src/iter.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ZipOption<A, B> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   index: usize,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 12 |   len: usize,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipOption` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/vec.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     &self.insert(0, other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let _ = &self.insert(0, other);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `len` are never read
[INFO] [stdout]   --> src/iter.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ZipOption<A, B> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   index: usize,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 12 |   len: usize,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipOption` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/vec.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     &self.insert(0, other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let _ = &self.insert(0, other);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> tests/vec.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |   use std::ascii::AsciiExt;
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ec2cb07a1db7a3ffdd6ed9b4b65bb9c20e0e822673a115ac796bef2c57c28f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2cb07a1db7a3ffdd6ed9b4b65bb9c20e0e822673a115ac796bef2c57c28f58", kill_on_drop: false }`
[INFO] [stdout] ec2cb07a1db7a3ffdd6ed9b4b65bb9c20e0e822673a115ac796bef2c57c28f58
[INFO] checking array_tool-1.0.3 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate array_tool 1.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate array_tool 1.0.3 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate array_tool 1.0.3
[INFO] finished tweaking crates.io crate array_tool 1.0.3
[INFO] tweaked toml for crates.io crate array_tool 1.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59dec992bbe24f8b763ed868388049117585676f1f8185ea415fe464ca630c93
[INFO] running `Command { std: "docker" "start" "-a" "59dec992bbe24f8b763ed868388049117585676f1f8185ea415fe464ca630c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59dec992bbe24f8b763ed868388049117585676f1f8185ea415fe464ca630c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59dec992bbe24f8b763ed868388049117585676f1f8185ea415fe464ca630c93", kill_on_drop: false }`
[INFO] [stdout] 59dec992bbe24f8b763ed868388049117585676f1f8185ea415fe464ca630c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c8846b32261f108cc448256086ecf2239cc6ef1d3bbd5d9966d10a5a8bc73a8
[INFO] running `Command { std: "docker" "start" "-a" "1c8846b32261f108cc448256086ecf2239cc6ef1d3bbd5d9966d10a5a8bc73a8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "1c8846b32261f108cc448256086ecf2239cc6ef1d3bbd5d9966d10a5a8bc73a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8846b32261f108cc448256086ecf2239cc6ef1d3bbd5d9966d10a5a8bc73a8", kill_on_drop: false }`
[INFO] [stdout] 1c8846b32261f108cc448256086ecf2239cc6ef1d3bbd5d9966d10a5a8bc73a8