[INFO] updating cached repository https://github.com/jechase/rustfmt_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c95dc85dca06c17f7f8967928f50a8428e8626e
[INFO] testing jechase/rustfmt_example against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjechase%2Frustfmt_example" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jechase/rustfmt_example on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jechase/rustfmt_example
[INFO] finished tweaking git repo https://github.com/jechase/rustfmt_example
[INFO] tweaked toml for git repo https://github.com/jechase/rustfmt_example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jechase/rustfmt_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6803fc41797ed18025d89e9827f10a8292bb4850e9545ddc008a1cec2ffeda67
[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" "6803fc41797ed18025d89e9827f10a8292bb4850e9545ddc008a1cec2ffeda67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6803fc41797ed18025d89e9827f10a8292bb4850e9545ddc008a1cec2ffeda67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6803fc41797ed18025d89e9827f10a8292bb4850e9545ddc008a1cec2ffeda67", kill_on_drop: false }`
[INFO] [stdout] 6803fc41797ed18025d89e9827f10a8292bb4850e9545ddc008a1cec2ffeda67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--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] 607e85abf275d7f978f82fda0c271a277455cd3785a5479b4c053c1c010d70ac
[INFO] running `Command { std: "docker" "start" "-a" "607e85abf275d7f978f82fda0c271a277455cd3785a5479b4c053c1c010d70ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     io::{
[INFO] [stdout] 5 |         self,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |         BufRead,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 7 |         Write,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 8 |     },
[INFO] [stdout] 9 |     process::Command,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.28s
[INFO] running `Command { std: "docker" "inspect" "607e85abf275d7f978f82fda0c271a277455cd3785a5479b4c053c1c010d70ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607e85abf275d7f978f82fda0c271a277455cd3785a5479b4c053c1c010d70ac", kill_on_drop: false }`
[INFO] [stdout] 607e85abf275d7f978f82fda0c271a277455cd3785a5479b4c053c1c010d70ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] af66af07ac98a9a82198d7fa50bfdfcc66ebdad23747c2828299a50ee0a086a5
[INFO] running `Command { std: "docker" "start" "-a" "af66af07ac98a9a82198d7fa50bfdfcc66ebdad23747c2828299a50ee0a086a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 3 |     fs,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     io::{
[INFO] [stdout] 5 |         self,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 6 |         BufRead,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 7 |         Write,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 8 |     },
[INFO] [stdout] 9 |     process::Command,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "af66af07ac98a9a82198d7fa50bfdfcc66ebdad23747c2828299a50ee0a086a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af66af07ac98a9a82198d7fa50bfdfcc66ebdad23747c2828299a50ee0a086a5", kill_on_drop: false }`
[INFO] [stdout] af66af07ac98a9a82198d7fa50bfdfcc66ebdad23747c2828299a50ee0a086a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9d277752ee63e7341ae6561b67802366736aba012e8b21bc24b58e0cb33d3a0
[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" "c9d277752ee63e7341ae6561b67802366736aba012e8b21bc24b58e0cb33d3a0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 2 |     env,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 3 |     fs,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 4 |     io::{
[INFO] [stderr] 5 |         self,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr] 6 |         BufRead,
[INFO] [stderr]   |         ^^^^^^^
[INFO] [stderr] 7 |         Write,
[INFO] [stderr]   |         ^^^^^
[INFO] [stderr] 8 |     },
[INFO] [stderr] 9 |     process::Command,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_demo-be0b719894ccd4ff
[INFO] running `Command { std: "docker" "inspect" "c9d277752ee63e7341ae6561b67802366736aba012e8b21bc24b58e0cb33d3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d277752ee63e7341ae6561b67802366736aba012e8b21bc24b58e0cb33d3a0", kill_on_drop: false }`
[INFO] [stdout] c9d277752ee63e7341ae6561b67802366736aba012e8b21bc24b58e0cb33d3a0