[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 try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjechase%2Frustfmt_example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jechase/rustfmt_example on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-7/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d41ce4d9992c3da02c2e3f9a6713725955be2929409fabbf4c9306d73912476
[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" "3d41ce4d9992c3da02c2e3f9a6713725955be2929409fabbf4c9306d73912476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d41ce4d9992c3da02c2e3f9a6713725955be2929409fabbf4c9306d73912476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d41ce4d9992c3da02c2e3f9a6713725955be2929409fabbf4c9306d73912476", kill_on_drop: false }`
[INFO] [stdout] 3d41ce4d9992c3da02c2e3f9a6713725955be2929409fabbf4c9306d73912476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 548b969fa3130bc4504120075a14c64d28c0d9bcfd4353c46e5d7a879c592def
[INFO] running `Command { std: "docker" "start" "-a" "548b969fa3130bc4504120075a14c64d28c0d9bcfd4353c46e5d7a879c592def", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.83s
[INFO] running `Command { std: "docker" "inspect" "548b969fa3130bc4504120075a14c64d28c0d9bcfd4353c46e5d7a879c592def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548b969fa3130bc4504120075a14c64d28c0d9bcfd4353c46e5d7a879c592def", kill_on_drop: false }`
[INFO] [stdout] 548b969fa3130bc4504120075a14c64d28c0d9bcfd4353c46e5d7a879c592def
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 248e72d9d46d617a0d1cd541641ed4bc953d8f4fb06b7d88c0db5a4cc3dad52d
[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" "248e72d9d46d617a0d1cd541641ed4bc953d8f4fb06b7d88c0db5a4cc3dad52d", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "248e72d9d46d617a0d1cd541641ed4bc953d8f4fb06b7d88c0db5a4cc3dad52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248e72d9d46d617a0d1cd541641ed4bc953d8f4fb06b7d88c0db5a4cc3dad52d", kill_on_drop: false }`
[INFO] [stdout] 248e72d9d46d617a0d1cd541641ed4bc953d8f4fb06b7d88c0db5a4cc3dad52d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cac4ffa7af6d5cfa33eba69541a98f683bec6a378a86e7bd2b492ae65ffdd7be
[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" "cac4ffa7af6d5cfa33eba69541a98f683bec6a378a86e7bd2b492ae65ffdd7be", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     env,
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_demo-fa94926561464bed
[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 `Command { std: "docker" "inspect" "cac4ffa7af6d5cfa33eba69541a98f683bec6a378a86e7bd2b492ae65ffdd7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac4ffa7af6d5cfa33eba69541a98f683bec6a378a86e7bd2b492ae65ffdd7be", kill_on_drop: false }`
[INFO] [stdout] cac4ffa7af6d5cfa33eba69541a98f683bec6a378a86e7bd2b492ae65ffdd7be