[INFO] cloning repository https://github.com/mullr/gdb-pretty-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mullr/gdb-pretty-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmullr%2Fgdb-pretty-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmullr%2Fgdb-pretty-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3721bcd838e71b56477fc38646e469d79ad9fafb
[INFO] testing mullr/gdb-pretty-test against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmullr%2Fgdb-pretty-test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mullr/gdb-pretty-test on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mullr/gdb-pretty-test
[INFO] finished tweaking git repo https://github.com/mullr/gdb-pretty-test
[INFO] tweaked toml for git repo https://github.com/mullr/gdb-pretty-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mullr/gdb-pretty-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5281c7b4dff8f779bc97d404603562f93d8eb07ec88e1a892239ec98c9f542e7
[INFO] running `Command { std: "docker" "start" "-a" "5281c7b4dff8f779bc97d404603562f93d8eb07ec88e1a892239ec98c9f542e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5281c7b4dff8f779bc97d404603562f93d8eb07ec88e1a892239ec98c9f542e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5281c7b4dff8f779bc97d404603562f93d8eb07ec88e1a892239ec98c9f542e7", kill_on_drop: false }`
[INFO] [stdout] 5281c7b4dff8f779bc97d404603562f93d8eb07ec88e1a892239ec98c9f542e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ea4a0ced7078f956c78320f3da8cb400202f4aafc179b2c15da31f9c862960
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "00ea4a0ced7078f956c78320f3da8cb400202f4aafc179b2c15da31f9c862960", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gdb-pretty-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bare_vec`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let bare_vec = vec![1u8, 2, 3];
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bare_vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `newtype_vec`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let newtype_vec = TrivialNewtype(vec![1u8, 2, 3]);
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_newtype_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `placeholder`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let placeholder = 12;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_placeholder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "00ea4a0ced7078f956c78320f3da8cb400202f4aafc179b2c15da31f9c862960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ea4a0ced7078f956c78320f3da8cb400202f4aafc179b2c15da31f9c862960", kill_on_drop: false }`
[INFO] [stdout] 00ea4a0ced7078f956c78320f3da8cb400202f4aafc179b2c15da31f9c862960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ab517d14e4b3b3c9f38da37ea84e6d6a340c976c0fadfac0bd658ac65ae162a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ab517d14e4b3b3c9f38da37ea84e6d6a340c976c0fadfac0bd658ac65ae162a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gdb-pretty-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bare_vec`
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let bare_vec = vec![1u8, 2, 3];
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bare_vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `newtype_vec`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let newtype_vec = TrivialNewtype(vec![1u8, 2, 3]);
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_newtype_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `placeholder`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let placeholder = 12;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_placeholder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ab517d14e4b3b3c9f38da37ea84e6d6a340c976c0fadfac0bd658ac65ae162a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab517d14e4b3b3c9f38da37ea84e6d6a340c976c0fadfac0bd658ac65ae162a", kill_on_drop: false }`
[INFO] [stdout] 4ab517d14e4b3b3c9f38da37ea84e6d6a340c976c0fadfac0bd658ac65ae162a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 515bd0b618592626f36239bd1ca809af88fa9d07210585fb1717068de1319af4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "515bd0b618592626f36239bd1ca809af88fa9d07210585fb1717068de1319af4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `bare_vec`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 5 |     let bare_vec = vec![1u8, 2, 3];
[INFO] [stdout] 
[INFO] [stderr]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bare_vec`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `newtype_vec`
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let newtype_vec = TrivialNewtype(vec![1u8, 2, 3]);
[INFO] [stderr]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_newtype_vec`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `placeholder`
[INFO] [stderr]  --> src/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let placeholder = 12;
[INFO] [stderr]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_placeholder`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gdb_pretty_test-1243d98067b87597)
[INFO] running `Command { std: "docker" "inspect" "515bd0b618592626f36239bd1ca809af88fa9d07210585fb1717068de1319af4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515bd0b618592626f36239bd1ca809af88fa9d07210585fb1717068de1319af4", kill_on_drop: false }`
[INFO] [stdout] 515bd0b618592626f36239bd1ca809af88fa9d07210585fb1717068de1319af4