[INFO] fetching crate rreplace 0.1.0... [INFO] building rreplace-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate rreplace 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate rreplace 0.1.0 [INFO] finished tweaking crates.io crate rreplace 0.1.0 [INFO] tweaked toml for crates.io crate rreplace 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rreplace 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38ee0a29b80524c2ad286855608bbe6aff264f38357e2e7347c54d40050e4e1f [INFO] running `Command { std: "docker" "start" "-a" "38ee0a29b80524c2ad286855608bbe6aff264f38357e2e7347c54d40050e4e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38ee0a29b80524c2ad286855608bbe6aff264f38357e2e7347c54d40050e4e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ee0a29b80524c2ad286855608bbe6aff264f38357e2e7347c54d40050e4e1f", kill_on_drop: false }` [INFO] [stdout] 38ee0a29b80524c2ad286855608bbe6aff264f38357e2e7347c54d40050e4e1f [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c315db40859579b02da56c51acaab3dc3cf0b4d207d6735e83716c837c35e64f [INFO] running `Command { std: "docker" "start" "-a" "c315db40859579b02da56c51acaab3dc3cf0b4d207d6735e83716c837c35e64f", kill_on_drop: false }` [INFO] [stderr] Compiling rreplace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `clear`, `inc_index`, `inc_index_by`, and `count` are never used [INFO] [stdout] --> src/lib.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 106 | impl StringCache { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 143 | fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 147 | fn inc_index(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 151 | fn inc_index_by(&mut self, num: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 188 | seqs: &'a Vec<(&'a str, &'a str)>, [INFO] [stdout] | -- -- -- the lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] 189 | ) -> Option> { [INFO] [stdout] | ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 189 | ) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "c315db40859579b02da56c51acaab3dc3cf0b4d207d6735e83716c837c35e64f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c315db40859579b02da56c51acaab3dc3cf0b4d207d6735e83716c837c35e64f", kill_on_drop: false }` [INFO] [stdout] c315db40859579b02da56c51acaab3dc3cf0b4d207d6735e83716c837c35e64f [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 990c4ea012947be7a5bb79b4131754b5c22d73f00884e08c7ee7ba76ab16a5f5 [INFO] running `Command { std: "docker" "start" "-a" "990c4ea012947be7a5bb79b4131754b5c22d73f00884e08c7ee7ba76ab16a5f5", kill_on_drop: false }` [INFO] [stderr] Compiling rreplace v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `clear`, `inc_index`, `inc_index_by`, and `count` are never used [INFO] [stdout] --> src/lib.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 106 | impl StringCache { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 143 | fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 147 | fn inc_index(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 151 | fn inc_index_by(&mut self, num: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 188 | seqs: &'a Vec<(&'a str, &'a str)>, [INFO] [stdout] | -- -- -- the lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] 189 | ) -> Option> { [INFO] [stdout] | ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 189 | ) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Add` [INFO] [stdout] --> src/lib.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | use std::ops::Add; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `clear`, `inc_index`, `inc_index_by`, and `count` are never used [INFO] [stdout] --> src/lib.rs:143:8 [INFO] [stdout] | [INFO] [stdout] 106 | impl StringCache { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 143 | fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 147 | fn inc_index(&mut self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 151 | fn inc_index_by(&mut self, num: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 163 | fn count(&self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:189:17 [INFO] [stdout] | [INFO] [stdout] 188 | seqs: &'a Vec<(&'a str, &'a str)>, [INFO] [stdout] | -- -- -- the lifetime is named here [INFO] [stdout] | | | [INFO] [stdout] | | the lifetime is named here [INFO] [stdout] | the lifetime is named here [INFO] [stdout] 189 | ) -> Option> { [INFO] [stdout] | ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 189 | ) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "990c4ea012947be7a5bb79b4131754b5c22d73f00884e08c7ee7ba76ab16a5f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "990c4ea012947be7a5bb79b4131754b5c22d73f00884e08c7ee7ba76ab16a5f5", kill_on_drop: false }` [INFO] [stdout] 990c4ea012947be7a5bb79b4131754b5c22d73f00884e08c7ee7ba76ab16a5f5