[INFO] cloning repository https://github.com/u2/too-many-lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/u2/too-many-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Ftoo-many-lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Ftoo-many-lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f684c442e8a9020e89780aa4c9da3eb9214009f
[INFO] testing u2/too-many-lists against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu2%2Ftoo-many-lists" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/u2/too-many-lists on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-27/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4ca546fd77d809accda17a339a0583a56e7ed119920acce4be69f03e8d374c0
[INFO] running `Command { std: "docker" "start" "-a" "c4ca546fd77d809accda17a339a0583a56e7ed119920acce4be69f03e8d374c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4ca546fd77d809accda17a339a0583a56e7ed119920acce4be69f03e8d374c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ca546fd77d809accda17a339a0583a56e7ed119920acce4be69f03e8d374c0", kill_on_drop: false }`
[INFO] [stdout] c4ca546fd77d809accda17a339a0583a56e7ed119920acce4be69f03e8d374c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e92b4c0bd9df7f5f4e049d73e1304ad046b82d7206d1811851c0445f4a5cfcfa
[INFO] running `Command { std: "docker" "start" "-a" "e92b4c0bd9df7f5f4e049d73e1304ad046b82d7206d1811851c0445f4a5cfcfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/silly1.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e92b4c0bd9df7f5f4e049d73e1304ad046b82d7206d1811851c0445f4a5cfcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92b4c0bd9df7f5f4e049d73e1304ad046b82d7206d1811851c0445f4a5cfcfa", kill_on_drop: false }`
[INFO] [stdout] e92b4c0bd9df7f5f4e049d73e1304ad046b82d7206d1811851c0445f4a5cfcfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e981bfc12cd1750f61aeae36af685889fe6aeb8b1239c73ac3816c878a722dd7
[INFO] running `Command { std: "docker" "start" "-a" "e981bfc12cd1750f61aeae36af685889fe6aeb8b1239c73ac3816c878a722dd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/silly1.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "e981bfc12cd1750f61aeae36af685889fe6aeb8b1239c73ac3816c878a722dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e981bfc12cd1750f61aeae36af685889fe6aeb8b1239c73ac3816c878a722dd7", kill_on_drop: false }`
[INFO] [stdout] e981bfc12cd1750f61aeae36af685889fe6aeb8b1239c73ac3816c878a722dd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a64a5451378eb5b150145094181ffc4dbccbde0a8bf77554094d9371e37b94ed
[INFO] running `Command { std: "docker" "start" "-a" "a64a5451378eb5b150145094181ffc4dbccbde0a8bf77554094d9371e37b94ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/silly1.rs:75:8
[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: `lists` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lists-ca9ea47531d36607)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test fifth::test::basics ... ok
[INFO] [stdout] test fifth::test::into_iter ... ok
[INFO] [stdout] test fifth::test::iter ... ok
[INFO] [stdout] test fifth::test::iter_mut ... ok
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test fourth::test::basics ... ok
[INFO] [stdout] test fourth::test::into_iter ... ok
[INFO] [stdout] test fourth::test::peek ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::into_iter ... ok
[INFO] [stdout] test second::test::iter_mut ... ok
[INFO] [stdout] test second::test::peek ... ok
[INFO] [stdout] test silly1::test::walk_aboot ... ok
[INFO] [stdout] test third::test::basics ... ok
[INFO] [stdout] test third::test::iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a64a5451378eb5b150145094181ffc4dbccbde0a8bf77554094d9371e37b94ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64a5451378eb5b150145094181ffc4dbccbde0a8bf77554094d9371e37b94ed", kill_on_drop: false }`
[INFO] [stdout] a64a5451378eb5b150145094181ffc4dbccbde0a8bf77554094d9371e37b94ed