[INFO] cloning repository https://github.com/katharostech/PolyFS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/katharostech/PolyFS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkatharostech%2FPolyFS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkatharostech%2FPolyFS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5565176634fd6d29c7866fb68526aec5066a4dd
[INFO] testing katharostech/PolyFS against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkatharostech%2FPolyFS" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/katharostech/PolyFS on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/katharostech/PolyFS
[INFO] finished tweaking git repo https://github.com/katharostech/PolyFS
[INFO] tweaked toml for git repo https://github.com/katharostech/PolyFS written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/katharostech/PolyFS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 6eed99bdf825eccfffe378c90d88427e2004116eb00d882d211527d337ebc709
[INFO] running `Command { std: "docker" "start" "-a" "6eed99bdf825eccfffe378c90d88427e2004116eb00d882d211527d337ebc709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eed99bdf825eccfffe378c90d88427e2004116eb00d882d211527d337ebc709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eed99bdf825eccfffe378c90d88427e2004116eb00d882d211527d337ebc709", kill_on_drop: false }`
[INFO] [stdout] 6eed99bdf825eccfffe378c90d88427e2004116eb00d882d211527d337ebc709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7816e87fd126818373364ae9cd205acbeb369cd8211f63e9dd3b56ef8fd40c50
[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" "7816e87fd126818373364ae9cd205acbeb369cd8211f63e9dd3b56ef8fd40c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling rgb v0.8.13
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syslog v4.0.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling diesel v1.4.2
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling migrations_internals v1.4.0
[INFO] [stderr]    Compiling migrations_macros v1.4.0
[INFO] [stderr]    Compiling diesel_migrations v1.4.0
[INFO] [stderr]    Compiling polyfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/config.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut config;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 1m 03s
[INFO] running `Command { std: "docker" "inspect" "7816e87fd126818373364ae9cd205acbeb369cd8211f63e9dd3b56ef8fd40c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7816e87fd126818373364ae9cd205acbeb369cd8211f63e9dd3b56ef8fd40c50", kill_on_drop: false }`
[INFO] [stdout] 7816e87fd126818373364ae9cd205acbeb369cd8211f63e9dd3b56ef8fd40c50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6469d103da399278a8e91827f74d0dd50e296108d00357ee0d608c6297c30f4e
[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" "6469d103da399278a8e91827f74d0dd50e296108d00357ee0d608c6297c30f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/config.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut config;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli/config.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut config;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 3.88s
[INFO] running `Command { std: "docker" "inspect" "6469d103da399278a8e91827f74d0dd50e296108d00357ee0d608c6297c30f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6469d103da399278a8e91827f74d0dd50e296108d00357ee0d608c6297c30f4e", kill_on_drop: false }`
[INFO] [stdout] 6469d103da399278a8e91827f74d0dd50e296108d00357ee0d608c6297c30f4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02c809193c5a2964bac18de9c2b0df537de843a31a1b3236a7241eec7fb23eb0
[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" "02c809193c5a2964bac18de9c2b0df537de843a31a1b3236a7241eec7fb23eb0", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cli/config.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let mut config;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `polyfs` (lib) generated 1 warning
[INFO] [stderr] warning: `polyfs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyfs-46dc41803786f773)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test app::backends::sqlite::kv::test::set_and_update_key ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyfs-2ae74faf9864d0fc)
[INFO] [stdout] test app::backends::sqlite::kv::test::set_and_get ... ok
[INFO] [stdout] test app::backends::sqlite::kv::test::get_nothing ... ok
[INFO] [stdout] test app::backends::sqlite::kv::test::list_keys ... ok
[INFO] [stdout] test app::backends::sqlite::kv::test::delete_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[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 polyfs
[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" "02c809193c5a2964bac18de9c2b0df537de843a31a1b3236a7241eec7fb23eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c809193c5a2964bac18de9c2b0df537de843a31a1b3236a7241eec7fb23eb0", kill_on_drop: false }`
[INFO] [stdout] 02c809193c5a2964bac18de9c2b0df537de843a31a1b3236a7241eec7fb23eb0