[INFO] updating cached repository https://github.com/jalalazimi/rust-zoo
[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] 7682244343669eb0ff806f87d0294de8ad89270b
[INFO] testing jalalazimi/rust-zoo against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalalazimi%2Frust-zoo" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalalazimi/rust-zoo 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/jalalazimi/rust-zoo
[INFO] finished tweaking git repo https://github.com/jalalazimi/rust-zoo
[INFO] tweaked toml for git repo https://github.com/jalalazimi/rust-zoo written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jalalazimi/rust-zoo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 016f52940fd1c8dd0e2f476aab759c86aeddda847364a09e9b2c662c1fab12f5
[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" "016f52940fd1c8dd0e2f476aab759c86aeddda847364a09e9b2c662c1fab12f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016f52940fd1c8dd0e2f476aab759c86aeddda847364a09e9b2c662c1fab12f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f52940fd1c8dd0e2f476aab759c86aeddda847364a09e9b2c662c1fab12f5", kill_on_drop: false }`
[INFO] [stdout] 016f52940fd1c8dd0e2f476aab759c86aeddda847364a09e9b2c662c1fab12f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aee05e19c02eff41dd869806c9aaadf33b0b5adab929829c3a9b8cfb89e42c9
[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" "3aee05e19c02eff41dd869806c9aaadf33b0b5adab929829c3a9b8cfb89e42c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-zoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_prime` is never read
[INFO] [stdout]  --> src/primes.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let mut is_prime: bool = true;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[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" "3aee05e19c02eff41dd869806c9aaadf33b0b5adab929829c3a9b8cfb89e42c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aee05e19c02eff41dd869806c9aaadf33b0b5adab929829c3a9b8cfb89e42c9", kill_on_drop: false }`
[INFO] [stdout] 3aee05e19c02eff41dd869806c9aaadf33b0b5adab929829c3a9b8cfb89e42c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43d8be19a1b6fcff23459b2dfc907ca926135a8b7cf841a8ebba245a829f458
[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" "e43d8be19a1b6fcff23459b2dfc907ca926135a8b7cf841a8ebba245a829f458", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-zoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `is_prime` is never read
[INFO] [stdout]  --> src/primes.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |         let mut is_prime: bool = true;
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "e43d8be19a1b6fcff23459b2dfc907ca926135a8b7cf841a8ebba245a829f458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43d8be19a1b6fcff23459b2dfc907ca926135a8b7cf841a8ebba245a829f458", kill_on_drop: false }`
[INFO] [stdout] e43d8be19a1b6fcff23459b2dfc907ca926135a8b7cf841a8ebba245a829f458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a665e6d0965aee23334b88ed2d727e0ff67412128df45ac46cad53b8bb60d782
[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" "a665e6d0965aee23334b88ed2d727e0ff67412128df45ac46cad53b8bb60d782", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[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_zoo-acdcc96f61d2a0d2
[INFO] running `Command { std: "docker" "inspect" "a665e6d0965aee23334b88ed2d727e0ff67412128df45ac46cad53b8bb60d782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a665e6d0965aee23334b88ed2d727e0ff67412128df45ac46cad53b8bb60d782", kill_on_drop: false }`
[INFO] [stdout] a665e6d0965aee23334b88ed2d727e0ff67412128df45ac46cad53b8bb60d782