[INFO] updating cached repository https://github.com/u2/too-many-lists
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f684c442e8a9020e89780aa4c9da3eb9214009f
[INFO] testing u2/too-many-lists against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Ftoo-many-lists" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/u2/too-many-lists on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/u2/too-many-lists
[INFO] finished tweaking git repo https://github.com/u2/too-many-lists
[INFO] tweaked toml for git repo https://github.com/u2/too-many-lists written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/u2/too-many-lists already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff2c753f10e606754455da8424aa550b7d5c0540965a39641b5f79e632fcf288
[INFO] running `"docker" "start" "-a" "ff2c753f10e606754455da8424aa550b7d5c0540965a39641b5f79e632fcf288"`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/silly1.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "ff2c753f10e606754455da8424aa550b7d5c0540965a39641b5f79e632fcf288"`
[INFO] running `"docker" "rm" "-f" "ff2c753f10e606754455da8424aa550b7d5c0540965a39641b5f79e632fcf288"`
[INFO] [stdout] ff2c753f10e606754455da8424aa550b7d5c0540965a39641b5f79e632fcf288
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f65c58fbada1b3c69772b2bbb507a5d511437cf073abb57ab029929faf8529f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8f65c58fbada1b3c69772b2bbb507a5d511437cf073abb57ab029929faf8529f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/silly1.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "8f65c58fbada1b3c69772b2bbb507a5d511437cf073abb57ab029929faf8529f"`
[INFO] running `"docker" "rm" "-f" "8f65c58fbada1b3c69772b2bbb507a5d511437cf073abb57ab029929faf8529f"`
[INFO] [stdout] 8f65c58fbada1b3c69772b2bbb507a5d511437cf073abb57ab029929faf8529f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17dd5510807441dda55374dde359f226e70cb8e8d68095409de64ca72ad50d71
[INFO] running `"docker" "start" "-a" "17dd5510807441dda55374dde359f226e70cb8e8d68095409de64ca72ad50d71"`
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/silly1.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lists-f0670bc04dbda774
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test fifth::test::iter_mut ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test fifth::test::iter ... ok
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stdout] test fifth::test::basics ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test fifth::test::into_iter ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test silly1::test::walk_aboot ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lists
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "17dd5510807441dda55374dde359f226e70cb8e8d68095409de64ca72ad50d71"`
[INFO] running `"docker" "rm" "-f" "17dd5510807441dda55374dde359f226e70cb8e8d68095409de64ca72ad50d71"`
[INFO] [stdout] 17dd5510807441dda55374dde359f226e70cb8e8d68095409de64ca72ad50d71