[INFO] crate hatter 0.0.1 is already in cache
[INFO] checking hatter-0.0.1 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate hatter 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hatter 0.0.1 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hatter 0.0.1
[INFO] finished tweaking crates.io crate hatter 0.0.1
[INFO] tweaked toml for crates.io crate hatter 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate hatter 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b38aa7a346c2ddeb77bc0b6f8fe149f9bd1bd90e9a73b09e1e341733f12ac0
[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" "e7b38aa7a346c2ddeb77bc0b6f8fe149f9bd1bd90e9a73b09e1e341733f12ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b38aa7a346c2ddeb77bc0b6f8fe149f9bd1bd90e9a73b09e1e341733f12ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b38aa7a346c2ddeb77bc0b6f8fe149f9bd1bd90e9a73b09e1e341733f12ac0", kill_on_drop: false }`
[INFO] [stdout] e7b38aa7a346c2ddeb77bc0b6f8fe149f9bd1bd90e9a73b09e1e341733f12ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e8f17af4faff4ba737d51d9acbc130e93ce83da6350d0189bfd9c7244bf112
[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" "65e8f17af4faff4ba737d51d9acbc130e93ce83da6350d0189bfd9c7244bf112", kill_on_drop: false }`
[INFO] [stderr]     Checking hatter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> tests/hatter_test.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn math(e: &Env, args: &[&Value]) -> Value {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rendering`
[INFO] [stdout]    --> tests/hatter_test.rs:286:4
[INFO] [stdout]     |
[INFO] [stdout] 286 | fn rendering() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `math`
[INFO] [stdout]    --> tests/hatter_test.rs:335:4
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn math(e: &Env, args: &[&Value]) -> Value {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "65e8f17af4faff4ba737d51d9acbc130e93ce83da6350d0189bfd9c7244bf112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e8f17af4faff4ba737d51d9acbc130e93ce83da6350d0189bfd9c7244bf112", kill_on_drop: false }`
[INFO] [stdout] 65e8f17af4faff4ba737d51d9acbc130e93ce83da6350d0189bfd9c7244bf112