[INFO] fetching crate randlib 0.2.0...
[INFO] testing randlib-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate randlib 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate randlib 0.2.0
[INFO] finished tweaking crates.io crate randlib 0.2.0
[INFO] tweaked toml for crates.io crate randlib 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate randlib 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate randlib 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0a3fded2a03ce0b7fd1cc3e15e4445edf9f058a10d3398d72616e2f91060877
[INFO] running `Command { std: "docker" "start" "-a" "c0a3fded2a03ce0b7fd1cc3e15e4445edf9f058a10d3398d72616e2f91060877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a3fded2a03ce0b7fd1cc3e15e4445edf9f058a10d3398d72616e2f91060877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a3fded2a03ce0b7fd1cc3e15e4445edf9f058a10d3398d72616e2f91060877", kill_on_drop: false }`
[INFO] [stdout] c0a3fded2a03ce0b7fd1cc3e15e4445edf9f058a10d3398d72616e2f91060877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7fee6e7e6bc32c955ae5db8722fc3e4572a2194cc5c0d7429109632d9cc44fe
[INFO] running `Command { std: "docker" "start" "-a" "e7fee6e7e6bc32c955ae5db8722fc3e4572a2194cc5c0d7429109632d9cc44fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling randlib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:339:33
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &T {
[INFO] [stdout]     |                                 ^^                    ^^            -- the same lifetime is elided here
[INFO] [stdout]     |                                 |                     |
[INFO] [stdout]     |                                 |                     the lifetime is named here
[INFO] [stdout]     |                                 the lifetime is named 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] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &'a T {
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e7fee6e7e6bc32c955ae5db8722fc3e4572a2194cc5c0d7429109632d9cc44fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fee6e7e6bc32c955ae5db8722fc3e4572a2194cc5c0d7429109632d9cc44fe", kill_on_drop: false }`
[INFO] [stdout] e7fee6e7e6bc32c955ae5db8722fc3e4572a2194cc5c0d7429109632d9cc44fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4cb64e2e1cbc9f0cfd9e1d285eabfd21a3041003190cc03dc8fae3a02b7bf2
[INFO] running `Command { std: "docker" "start" "-a" "de4cb64e2e1cbc9f0cfd9e1d285eabfd21a3041003190cc03dc8fae3a02b7bf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling randlib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:339:33
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &T {
[INFO] [stdout]     |                                 ^^                    ^^            -- the same lifetime is elided here
[INFO] [stdout]     |                                 |                     |
[INFO] [stdout]     |                                 |                     the lifetime is named here
[INFO] [stdout]     |                                 the lifetime is named 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] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &'a T {
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:339:33
[INFO] [stdout]     |
[INFO] [stdout] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &T {
[INFO] [stdout]     |                                 ^^                    ^^            -- the same lifetime is elided here
[INFO] [stdout]     |                                 |                     |
[INFO] [stdout]     |                                 |                     the lifetime is named here
[INFO] [stdout]     |                                 the lifetime is named 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] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &'a T {
[INFO] [stdout]     |                                                                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "de4cb64e2e1cbc9f0cfd9e1d285eabfd21a3041003190cc03dc8fae3a02b7bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4cb64e2e1cbc9f0cfd9e1d285eabfd21a3041003190cc03dc8fae3a02b7bf2", kill_on_drop: false }`
[INFO] [stdout] de4cb64e2e1cbc9f0cfd9e1d285eabfd21a3041003190cc03dc8fae3a02b7bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5e4198e5d81a33fe2168f27c0191772e1cc2bf58591276f10a7ea08b06c9c8e
[INFO] running `Command { std: "docker" "start" "-a" "a5e4198e5d81a33fe2168f27c0191772e1cc2bf58591276f10a7ea08b06c9c8e", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:339:33
[INFO] [stderr]     |
[INFO] [stderr] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &T {
[INFO] [stderr]     |                                 ^^                    ^^            -- the same lifetime is elided here
[INFO] [stderr]     |                                 |                     |
[INFO] [stderr]     |                                 |                     the lifetime is named here
[INFO] [stderr]     |                                 the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 339 |     pub fn rand_element<'a, T>(&'a mut self, vector: &'a Vec<T>) -> &'a T {
[INFO] [stderr]     |                                                                      ++
[INFO] [stderr] 
[INFO] [stderr] warning: `randlib` (lib) generated 1 warning (run `cargo fix --lib -p randlib` to apply 1 suggestion)
[INFO] [stderr] warning: `randlib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/randlib-6e64c8c058383c1f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests randlib
[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] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - Rand::rand_bool (line 97) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i32 (line 243) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i128 (line 275) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::new (line 59) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_element (line 331) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i16 (line 227) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u16 (line 145) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i64 (line 259) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand (line 81) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i8 (line 211) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - Rand::shuffle_vec (line 310) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u8 (line 129) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_range (line 295) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u32 (line 161) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u64 (line 177) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_usize (line 113) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u128 (line 193) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5e4198e5d81a33fe2168f27c0191772e1cc2bf58591276f10a7ea08b06c9c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e4198e5d81a33fe2168f27c0191772e1cc2bf58591276f10a7ea08b06c9c8e", kill_on_drop: false }`
[INFO] [stdout] a5e4198e5d81a33fe2168f27c0191772e1cc2bf58591276f10a7ea08b06c9c8e