[INFO] cloning repository https://github.com/sombr/gen-inv-index
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sombr/gen-inv-index" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombr%2Fgen-inv-index", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombr%2Fgen-inv-index'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d4b3b15c63d5a6968cbd2c29559636ad4020055
[INFO] testing sombr/gen-inv-index against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombr%2Fgen-inv-index" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sombr/gen-inv-index on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sombr/gen-inv-index
[INFO] finished tweaking git repo https://github.com/sombr/gen-inv-index
[INFO] tweaked toml for git repo https://github.com/sombr/gen-inv-index written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sombr/gen-inv-index already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 0da70b5e48f92133fad423a7caee3638fe9ebe7f9c43eb1db6f21350e880f160
[INFO] running `Command { std: "docker" "start" "-a" "0da70b5e48f92133fad423a7caee3638fe9ebe7f9c43eb1db6f21350e880f160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0da70b5e48f92133fad423a7caee3638fe9ebe7f9c43eb1db6f21350e880f160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da70b5e48f92133fad423a7caee3638fe9ebe7f9c43eb1db6f21350e880f160", kill_on_drop: false }`
[INFO] [stdout] 0da70b5e48f92133fad423a7caee3638fe9ebe7f9c43eb1db6f21350e880f160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256039d1e425959dceba7453266a12f9ae61a86b4dcba3d7ac5e05c4fd905e62
[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" "256039d1e425959dceba7453266a12f9ae61a86b4dcba3d7ac5e05c4fd905e62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling rmp v0.7.5
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling rmp-serde v0.10.0
[INFO] [stderr]    Compiling inv-index v0.1.0 (https://github.com/sombr/inv-index.git#45a20d5e)
[INFO] [stderr]    Compiling gen-inv-index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `in_memory`
[INFO] [stdout]   --> src/index.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     in_memory: bool
[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 19.15s
[INFO] running `Command { std: "docker" "inspect" "256039d1e425959dceba7453266a12f9ae61a86b4dcba3d7ac5e05c4fd905e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256039d1e425959dceba7453266a12f9ae61a86b4dcba3d7ac5e05c4fd905e62", kill_on_drop: false }`
[INFO] [stdout] 256039d1e425959dceba7453266a12f9ae61a86b4dcba3d7ac5e05c4fd905e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] cad55253fff613740c29036d6bb9bc6c986f3ea054bfa91bdf520e6f2e0e41ae
[INFO] running `Command { std: "docker" "start" "-a" "cad55253fff613740c29036d6bb9bc6c986f3ea054bfa91bdf520e6f2e0e41ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling gen-inv-index v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `in_memory`
[INFO] [stdout]   --> src/index.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     in_memory: bool
[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 test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "cad55253fff613740c29036d6bb9bc6c986f3ea054bfa91bdf520e6f2e0e41ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad55253fff613740c29036d6bb9bc6c986f3ea054bfa91bdf520e6f2e0e41ae", kill_on_drop: false }`
[INFO] [stdout] cad55253fff613740c29036d6bb9bc6c986f3ea054bfa91bdf520e6f2e0e41ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3843bde5635ad77bc8cfbf4db7a2980e3d6a9f8ce53deff40672cf7bc5df62be
[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" "3843bde5635ad77bc8cfbf4db7a2980e3d6a9f8ce53deff40672cf7bc5df62be", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `in_memory`
[INFO] [stderr]   --> src/index.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     in_memory: bool
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gen-inv-index` (bin "gen-inv-index" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gen_inv_index-a54ad9a6d9db5e26)
[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" "3843bde5635ad77bc8cfbf4db7a2980e3d6a9f8ce53deff40672cf7bc5df62be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3843bde5635ad77bc8cfbf4db7a2980e3d6a9f8ce53deff40672cf7bc5df62be", kill_on_drop: false }`
[INFO] [stdout] 3843bde5635ad77bc8cfbf4db7a2980e3d6a9f8ce53deff40672cf7bc5df62be