[INFO] cloning repository https://github.com/justinwoo/my-prompt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinwoo/my-prompt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Fmy-prompt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Fmy-prompt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31fe91406eec9af103cecd8b99fb4a3c0feff65a
[INFO] testing justinwoo/my-prompt against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinwoo%2Fmy-prompt" "/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/justinwoo/my-prompt on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justinwoo/my-prompt
[INFO] finished tweaking git repo https://github.com/justinwoo/my-prompt
[INFO] tweaked toml for git repo https://github.com/justinwoo/my-prompt written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/justinwoo/my-prompt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/justinwoo/termcolor`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.43
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded libz-sys v1.0.25
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded cc v1.0.35
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded git2 v0.8.0
[INFO] [stderr]   Downloaded libgit2-sys v0.7.11
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded curl-sys v0.4.17
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff9b1fdf829e6b7e5f78b45412c22b78ab47ef695a4064a14ac877b5b192dac
[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" "aff9b1fdf829e6b7e5f78b45412c22b78ab47ef695a4064a14ac877b5b192dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff9b1fdf829e6b7e5f78b45412c22b78ab47ef695a4064a14ac877b5b192dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff9b1fdf829e6b7e5f78b45412c22b78ab47ef695a4064a14ac877b5b192dac", kill_on_drop: false }`
[INFO] [stdout] aff9b1fdf829e6b7e5f78b45412c22b78ab47ef695a4064a14ac877b5b192dac
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d239efb8976dd070f32479661b06a7185da6686647460341c8acc883cf7de0d4
[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" "d239efb8976dd070f32479661b06a7185da6686647460341c8acc883cf7de0d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling termcolor v1.0.4 (https://github.com/justinwoo/termcolor?branch=non-printing-escape#eaf83d93)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.17
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling prompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 19s
[INFO] running `Command { std: "docker" "inspect" "d239efb8976dd070f32479661b06a7185da6686647460341c8acc883cf7de0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d239efb8976dd070f32479661b06a7185da6686647460341c8acc883cf7de0d4", kill_on_drop: false }`
[INFO] [stdout] d239efb8976dd070f32479661b06a7185da6686647460341c8acc883cf7de0d4
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a5d84e20853bb2cbeeb516d845d82e68eedaaf2cca922cf27b6a45e37757ff
[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" "d4a5d84e20853bb2cbeeb516d845d82e68eedaaf2cca922cf27b6a45e37757ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling prompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.90s
[INFO] running `Command { std: "docker" "inspect" "d4a5d84e20853bb2cbeeb516d845d82e68eedaaf2cca922cf27b6a45e37757ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a5d84e20853bb2cbeeb516d845d82e68eedaaf2cca922cf27b6a45e37757ff", kill_on_drop: false }`
[INFO] [stdout] d4a5d84e20853bb2cbeeb516d845d82e68eedaaf2cca922cf27b6a45e37757ff
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 209f328ac71c7f3db8a8587c6ed36fb56ec4fd3f019100b0c6e069dedec542f6
[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" "209f328ac71c7f3db8a8587c6ed36fb56ec4fd3f019100b0c6e069dedec542f6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]   --> src/main.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |         Ok(repo) => println!("got repo"),
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[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 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prompt-d2cfc1dd309a169e
[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" "209f328ac71c7f3db8a8587c6ed36fb56ec4fd3f019100b0c6e069dedec542f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209f328ac71c7f3db8a8587c6ed36fb56ec4fd3f019100b0c6e069dedec542f6", kill_on_drop: false }`
[INFO] [stdout] 209f328ac71c7f3db8a8587c6ed36fb56ec4fd3f019100b0c6e069dedec542f6