[INFO] fetching crate randlib 0.2.0...
[INFO] testing randlib-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate randlib 0.2.0 into /workspace/builds/worker-2-tc2/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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate randlib 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9895e83cf73c96cd0cabb2ede0c12c4b276b73414958d55e85c14a60421977fe
[INFO] running `Command { std: "docker" "start" "-a" "9895e83cf73c96cd0cabb2ede0c12c4b276b73414958d55e85c14a60421977fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9895e83cf73c96cd0cabb2ede0c12c4b276b73414958d55e85c14a60421977fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9895e83cf73c96cd0cabb2ede0c12c4b276b73414958d55e85c14a60421977fe", kill_on_drop: false }`
[INFO] [stdout] 9895e83cf73c96cd0cabb2ede0c12c4b276b73414958d55e85c14a60421977fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2de946601d682abf91ffc2cd31d7dac7ee23da29c8fa6821950be0cbc2a81b1
[INFO] running `Command { std: "docker" "start" "-a" "a2de946601d682abf91ffc2cd31d7dac7ee23da29c8fa6821950be0cbc2a81b1", 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:339:69
[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 0.17s
[INFO] running `Command { std: "docker" "inspect" "a2de946601d682abf91ffc2cd31d7dac7ee23da29c8fa6821950be0cbc2a81b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2de946601d682abf91ffc2cd31d7dac7ee23da29c8fa6821950be0cbc2a81b1", kill_on_drop: false }`
[INFO] [stdout] a2de946601d682abf91ffc2cd31d7dac7ee23da29c8fa6821950be0cbc2a81b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55bd4cd95eebcae2b38ce3e200f72a4b389a413c27b37099a1d274163d62996f
[INFO] running `Command { std: "docker" "start" "-a" "55bd4cd95eebcae2b38ce3e200f72a4b389a413c27b37099a1d274163d62996f", 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:339:69
[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:339:69
[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 0.63s
[INFO] running `Command { std: "docker" "inspect" "55bd4cd95eebcae2b38ce3e200f72a4b389a413c27b37099a1d274163d62996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bd4cd95eebcae2b38ce3e200f72a4b389a413c27b37099a1d274163d62996f", kill_on_drop: false }`
[INFO] [stdout] 55bd4cd95eebcae2b38ce3e200f72a4b389a413c27b37099a1d274163d62996f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3825bda53f3a9cae89150f23ca450b9a636c5fec2aac147036372935a2f95163
[INFO] running `Command { std: "docker" "start" "-a" "3825bda53f3a9cae89150f23ca450b9a636c5fec2aac147036372935a2f95163", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:339:69
[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] [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 randlib
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - Rand::rand (line 81) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::new (line 59) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i128 (line 275) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_bool (line 97) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i8 (line 211) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_i32 (line 243) - 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_i64 (line 259) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u16 (line 145) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u64 (line 177) - 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_usize (line 113) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::rand_u128 (line 193) - compile ... ok
[INFO] [stdout] test src/lib.rs - Rand::shuffle_vec (line 310) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3825bda53f3a9cae89150f23ca450b9a636c5fec2aac147036372935a2f95163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3825bda53f3a9cae89150f23ca450b9a636c5fec2aac147036372935a2f95163", kill_on_drop: false }`
[INFO] [stdout] 3825bda53f3a9cae89150f23ca450b9a636c5fec2aac147036372935a2f95163