[INFO] fetching crate simple_trie 0.1.22... [INFO] testing simple_trie-0.1.22 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate simple_trie 0.1.22 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate simple_trie 0.1.22 [INFO] finished tweaking crates.io crate simple_trie 0.1.22 [INFO] tweaked toml for crates.io crate simple_trie 0.1.22 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate simple_trie 0.1.22 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5b06337c5937649c36fd3c381c5077d39735e2c2bac5e64ba3254e4f9fd0c5e [INFO] running `Command { std: "docker" "start" "-a" "b5b06337c5937649c36fd3c381c5077d39735e2c2bac5e64ba3254e4f9fd0c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5b06337c5937649c36fd3c381c5077d39735e2c2bac5e64ba3254e4f9fd0c5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5b06337c5937649c36fd3c381c5077d39735e2c2bac5e64ba3254e4f9fd0c5e", kill_on_drop: false }` [INFO] [stdout] b5b06337c5937649c36fd3c381c5077d39735e2c2bac5e64ba3254e4f9fd0c5e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 803aa3c2f9045e1f180e5b29bb0b76196d3152263b599a3e51bec5de7450fb64 [INFO] running `Command { std: "docker" "start" "-a" "803aa3c2f9045e1f180e5b29bb0b76196d3152263b599a3e51bec5de7450fb64", kill_on_drop: false }` [INFO] [stderr] Compiling simple_trie v0.1.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Write`, `stdin`, and `stdout` [INFO] [stdout] --> src/lib.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `key` is never read [INFO] [stdout] --> src/lib.rs:169:11 [INFO] [stdout] | [INFO] [stdout] 169 | let mut key = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:170:11 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:170:7 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "803aa3c2f9045e1f180e5b29bb0b76196d3152263b599a3e51bec5de7450fb64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "803aa3c2f9045e1f180e5b29bb0b76196d3152263b599a3e51bec5de7450fb64", kill_on_drop: false }` [INFO] [stdout] 803aa3c2f9045e1f180e5b29bb0b76196d3152263b599a3e51bec5de7450fb64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8330c4f007494259900252db8a7cebb39df7b12c60f709d5932dac10e0242549 [INFO] running `Command { std: "docker" "start" "-a" "8330c4f007494259900252db8a7cebb39df7b12c60f709d5932dac10e0242549", kill_on_drop: false }` [INFO] [stdout] warning: unused imports: `Write`, `stdin`, and `stdout` [INFO] [stdout] --> src/lib.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `key` is never read [INFO] [stdout] --> src/lib.rs:169:11 [INFO] [stdout] | [INFO] [stdout] 169 | let mut key = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:170:11 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling simple_trie v0.1.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:170:7 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdin`, and `stdout` [INFO] [stdout] --> src/lib.rs:3:32 [INFO] [stdout] | [INFO] [stdout] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `key` is never read [INFO] [stdout] --> src/lib.rs:169:11 [INFO] [stdout] | [INFO] [stdout] 169 | let mut key = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/lib.rs:170:11 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:170:7 [INFO] [stdout] | [INFO] [stdout] 170 | let mut value: u32 = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "8330c4f007494259900252db8a7cebb39df7b12c60f709d5932dac10e0242549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8330c4f007494259900252db8a7cebb39df7b12c60f709d5932dac10e0242549", kill_on_drop: false }` [INFO] [stdout] 8330c4f007494259900252db8a7cebb39df7b12c60f709d5932dac10e0242549 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b9bf88dc9d7504d5bfe02990895aeca63c2fc2125361b69b3c67e20d7cdd814f [INFO] running `Command { std: "docker" "start" "-a" "b9bf88dc9d7504d5bfe02990895aeca63c2fc2125361b69b3c67e20d7cdd814f", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Write`, `stdin`, and `stdout` [INFO] [stderr] --> src/lib.rs:3:32 [INFO] [stderr] | [INFO] [stderr] 3 | io::{prelude::*, BufReader,stdin,stdout,Write [INFO] [stderr] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `key` is never read [INFO] [stderr] --> src/lib.rs:169:11 [INFO] [stderr] | [INFO] [stderr] 169 | let mut key = "".to_string(); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/lib.rs:170:11 [INFO] [stderr] | [INFO] [stderr] 170 | let mut value: u32 = 0; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:170:7 [INFO] [stderr] | [INFO] [stderr] 170 | let mut value: u32 = 0; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `simple_trie` (lib) generated 4 warnings (run `cargo fix --lib -p simple_trie` to apply 2 suggestions) [INFO] [stderr] warning: `simple_trie` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_trie-a616d9e07dea079d) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests simple_trie [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b9bf88dc9d7504d5bfe02990895aeca63c2fc2125361b69b3c67e20d7cdd814f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9bf88dc9d7504d5bfe02990895aeca63c2fc2125361b69b3c67e20d7cdd814f", kill_on_drop: false }` [INFO] [stdout] b9bf88dc9d7504d5bfe02990895aeca63c2fc2125361b69b3c67e20d7cdd814f