[INFO] updating cached repository https://github.com/jalalazimi/rust-zoo
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7682244343669eb0ff806f87d0294de8ad89270b
[INFO] testing jalalazimi/rust-zoo against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalalazimi%2Frust-zoo" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalalazimi/rust-zoo on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jalalazimi/rust-zoo 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] c1f54a9c7a87c4cb007b7de1df15fd446e327b2dd7e3523511be3d6e332b58bd
[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" "c1f54a9c7a87c4cb007b7de1df15fd446e327b2dd7e3523511be3d6e332b58bd"`
[INFO] [stderr]    Compiling rust-zoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[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 dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c1f54a9c7a87c4cb007b7de1df15fd446e327b2dd7e3523511be3d6e332b58bd"`
[INFO] running `"docker" "rm" "-f" "c1f54a9c7a87c4cb007b7de1df15fd446e327b2dd7e3523511be3d6e332b58bd"`
[INFO] [stdout] c1f54a9c7a87c4cb007b7de1df15fd446e327b2dd7e3523511be3d6e332b58bd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a413a6df8362d0f0d474d1da727861d6b9631507853c3d418cf1728f6add64e
[INFO] running `"docker" "start" "-a" "2a413a6df8362d0f0d474d1da727861d6b9631507853c3d418cf1728f6add64e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-zoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[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 2.48s
[INFO] running `"docker" "inspect" "2a413a6df8362d0f0d474d1da727861d6b9631507853c3d418cf1728f6add64e"`
[INFO] running `"docker" "rm" "-f" "2a413a6df8362d0f0d474d1da727861d6b9631507853c3d418cf1728f6add64e"`
[INFO] [stdout] 2a413a6df8362d0f0d474d1da727861d6b9631507853c3d418cf1728f6add64e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d6be0b9c9cff176c85369abb3d8010b5af34a31988699d808323d3a51710c6a
[INFO] running `"docker" "start" "-a" "5d6be0b9c9cff176c85369abb3d8010b5af34a31988699d808323d3a51710c6a"`
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[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 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_zoo-bf2732461b748613
[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" "5d6be0b9c9cff176c85369abb3d8010b5af34a31988699d808323d3a51710c6a"`
[INFO] running `"docker" "rm" "-f" "5d6be0b9c9cff176c85369abb3d8010b5af34a31988699d808323d3a51710c6a"`
[INFO] [stdout] 5d6be0b9c9cff176c85369abb3d8010b5af34a31988699d808323d3a51710c6a