[INFO] fetching crate cargo-alias 0.2.0...
[INFO] testing cargo-alias-0.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cargo-alias 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-alias 0.2.0 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 crates.io crate cargo-alias 0.2.0
[INFO] finished tweaking crates.io crate cargo-alias 0.2.0
[INFO] tweaked toml for crates.io crate cargo-alias 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-alias 0.2.0 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b3a7dd00e779e829c4daa3d625719f336dc7120013ba9847d2b91aabf4aa9d56
[INFO] running `Command { std: "docker" "start" "-a" "b3a7dd00e779e829c4daa3d625719f336dc7120013ba9847d2b91aabf4aa9d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a7dd00e779e829c4daa3d625719f336dc7120013ba9847d2b91aabf4aa9d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a7dd00e779e829c4daa3d625719f336dc7120013ba9847d2b91aabf4aa9d56", kill_on_drop: false }`
[INFO] [stdout] b3a7dd00e779e829c4daa3d625719f336dc7120013ba9847d2b91aabf4aa9d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 82ad13e950b6aa6ca0b2c22c3eefd4590c3310b1f43b726718274d454149cd7f
[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" "82ad13e950b6aa6ca0b2c22c3eefd4590c3310b1f43b726718274d454149cd7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling combine v4.6.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling toml_edit v0.2.1
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling cargo-alias v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `current_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let current_config = env::current_dir()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cargo_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let cargo_config = Path::new(".cargo").join("config.toml");
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cargo_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "82ad13e950b6aa6ca0b2c22c3eefd4590c3310b1f43b726718274d454149cd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82ad13e950b6aa6ca0b2c22c3eefd4590c3310b1f43b726718274d454149cd7f", kill_on_drop: false }`
[INFO] [stdout] 82ad13e950b6aa6ca0b2c22c3eefd4590c3310b1f43b726718274d454149cd7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 8a559170fbd9f6eee37d38d2e883d07170670fe2f14d403fb28fff91e9fc24ef
[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" "8a559170fbd9f6eee37d38d2e883d07170670fe2f14d403fb28fff91e9fc24ef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cargo-alias v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `current_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let current_config = env::current_dir()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cargo_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let cargo_config = Path::new(".cargo").join("config.toml");
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cargo_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "8a559170fbd9f6eee37d38d2e883d07170670fe2f14d403fb28fff91e9fc24ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a559170fbd9f6eee37d38d2e883d07170670fe2f14d403fb28fff91e9fc24ef", kill_on_drop: false }`
[INFO] [stdout] 8a559170fbd9f6eee37d38d2e883d07170670fe2f14d403fb28fff91e9fc24ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2d4fe54bca599f79e8239ff1444915f94c8bc04940ac662afcba4851dc70a7f
[INFO] running `Command { std: "docker" "start" "-a" "e2d4fe54bca599f79e8239ff1444915f94c8bc04940ac662afcba4851dc70a7f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `current_config`
[INFO] [stderr]   --> src/bin/cargo-alias.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let current_config = env::current_dir()?;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cargo_config`
[INFO] [stderr]   --> src/bin/cargo-alias.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let cargo_config = Path::new(".cargo").join("config.toml");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cargo_config`
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-alias` (bin "cargo-alias" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_alias-d7cc6611da65fe19)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_unalias-ff7b7e8aa2a7e6c5)
[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] [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" "e2d4fe54bca599f79e8239ff1444915f94c8bc04940ac662afcba4851dc70a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d4fe54bca599f79e8239ff1444915f94c8bc04940ac662afcba4851dc70a7f", kill_on_drop: false }`
[INFO] [stdout] e2d4fe54bca599f79e8239ff1444915f94c8bc04940ac662afcba4851dc70a7f