[INFO] cloning repository https://github.com/brson/featuretest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/featuretest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 274fb33838a586fe048e03fa0d74168db13c194c
[INFO] testing brson/featuretest against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Ffeaturetest" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/featuretest on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brson/featuretest
[INFO] finished tweaking git repo https://github.com/brson/featuretest
[INFO] tweaked toml for git repo https://github.com/brson/featuretest written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/featuretest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 0ef07403e5fe90836b82410df527f135ebffe15fcd07437087d156d627d842a6
[INFO] running `Command { std: "docker" "start" "-a" "0ef07403e5fe90836b82410df527f135ebffe15fcd07437087d156d627d842a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef07403e5fe90836b82410df527f135ebffe15fcd07437087d156d627d842a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef07403e5fe90836b82410df527f135ebffe15fcd07437087d156d627d842a6", kill_on_drop: false }`
[INFO] [stdout] 0ef07403e5fe90836b82410df527f135ebffe15fcd07437087d156d627d842a6
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", 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] 1ea5b2208caeae1d05bad6ed60ca2375136c2c5182ae58f409c6dac6588fa375
[INFO] running `Command { std: "docker" "start" "-a" "1ea5b2208caeae1d05bad6ed60ca2375136c2c5182ae58f409c6dac6588fa375", kill_on_drop: false }`
[INFO] [stderr]    Compiling a v0.1.0 (/opt/rustwide/workdir/a)
[INFO] [stderr]    Compiling b v0.1.0 (/opt/rustwide/workdir/b)
[INFO] [stderr]    Compiling c v0.1.0 (/opt/rustwide/workdir/c)
[INFO] [stderr]    Compiling d v0.1.0 (/opt/rustwide/workdir/d)
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> c/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Bar`
[INFO] [stdout]  --> d/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Bar;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> b/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling featuretest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "1ea5b2208caeae1d05bad6ed60ca2375136c2c5182ae58f409c6dac6588fa375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea5b2208caeae1d05bad6ed60ca2375136c2c5182ae58f409c6dac6588fa375", kill_on_drop: false }`
[INFO] [stdout] 1ea5b2208caeae1d05bad6ed60ca2375136c2c5182ae58f409c6dac6588fa375
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f8dc19822666f75d17a83fd33259c7eff381cb7f2fc091ef8a382eaece782aa
[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" "7f8dc19822666f75d17a83fd33259c7eff381cb7f2fc091ef8a382eaece782aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling featuretest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> c/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Bar`
[INFO] [stdout]  --> d/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Bar;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a::Foo`
[INFO] [stdout]  --> b/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use a::Foo;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "7f8dc19822666f75d17a83fd33259c7eff381cb7f2fc091ef8a382eaece782aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f8dc19822666f75d17a83fd33259c7eff381cb7f2fc091ef8a382eaece782aa", kill_on_drop: false }`
[INFO] [stdout] 7f8dc19822666f75d17a83fd33259c7eff381cb7f2fc091ef8a382eaece782aa
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eccdc3aabf0b0d8845465d88e03dd0f2426f9dec84bf6a61e85e7a80bbf37499
[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" "eccdc3aabf0b0d8845465d88e03dd0f2426f9dec84bf6a61e85e7a80bbf37499", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `a::Foo`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> b/src/lib.rs:1:5
[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] 1 | use a::Foo;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `b` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `a::Foo`
[INFO] [stderr]  --> c/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use a::Foo;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `a::Bar`
[INFO] [stderr]  --> d/src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use a::Bar;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `c` (lib) generated 1 warning
[INFO] [stderr] warning: `d` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/featuretest-0ea8e86e290b82a9)
[INFO] running `Command { std: "docker" "inspect" "eccdc3aabf0b0d8845465d88e03dd0f2426f9dec84bf6a61e85e7a80bbf37499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eccdc3aabf0b0d8845465d88e03dd0f2426f9dec84bf6a61e85e7a80bbf37499", kill_on_drop: false }`
[INFO] [stdout] eccdc3aabf0b0d8845465d88e03dd0f2426f9dec84bf6a61e85e7a80bbf37499