[INFO] crate backup 0.0.2 is already in cache
[INFO] testing backup-0.0.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate backup 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate backup 0.0.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate backup 0.0.2
[INFO] finished tweaking crates.io crate backup 0.0.2
[INFO] tweaked toml for crates.io crate backup 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate backup 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6233e9cddca26e76b691b01e34bddb8abbd6bcfee7bd935aa899f9e1beefacc
[INFO] running `"docker" "start" "-a" "a6233e9cddca26e76b691b01e34bddb8abbd6bcfee7bd935aa899f9e1beefacc"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backup v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let matches = App::new("backup")
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `"docker" "inspect" "a6233e9cddca26e76b691b01e34bddb8abbd6bcfee7bd935aa899f9e1beefacc"`
[INFO] running `"docker" "rm" "-f" "a6233e9cddca26e76b691b01e34bddb8abbd6bcfee7bd935aa899f9e1beefacc"`
[INFO] [stdout] a6233e9cddca26e76b691b01e34bddb8abbd6bcfee7bd935aa899f9e1beefacc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 881e2ee4d65304fe9ba67fc8252a144d2119b1a839ee0c688f273af70b402598
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "881e2ee4d65304fe9ba67fc8252a144d2119b1a839ee0c688f273af70b402598"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling backup v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let matches = App::new("backup")
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "881e2ee4d65304fe9ba67fc8252a144d2119b1a839ee0c688f273af70b402598"`
[INFO] running `"docker" "rm" "-f" "881e2ee4d65304fe9ba67fc8252a144d2119b1a839ee0c688f273af70b402598"`
[INFO] [stdout] 881e2ee4d65304fe9ba67fc8252a144d2119b1a839ee0c688f273af70b402598
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] a742425d0799147bfc800cb5a41cafe2d8ea14c1c4f36ce6bb23122344b284b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a742425d0799147bfc800cb5a41cafe2d8ea14c1c4f36ce6bb23122344b284b6"`
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let matches = App::new("backup")
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backup-cebb2e382323a87d
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a742425d0799147bfc800cb5a41cafe2d8ea14c1c4f36ce6bb23122344b284b6"`
[INFO] running `"docker" "rm" "-f" "a742425d0799147bfc800cb5a41cafe2d8ea14c1c4f36ce6bb23122344b284b6"`
[INFO] [stdout] a742425d0799147bfc800cb5a41cafe2d8ea14c1c4f36ce6bb23122344b284b6