[INFO] cloning repository https://github.com/wycats/salsa-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wycats/salsa-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fsalsa-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fsalsa-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1829f87e55653290a993f64e4a55559ca3d232dc
[INFO] checking wycats/salsa-examples against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fsalsa-examples" "/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/wycats/salsa-examples on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wycats/salsa-examples
[INFO] finished tweaking git repo https://github.com/wycats/salsa-examples
[INFO] tweaked toml for git repo https://github.com/wycats/salsa-examples written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/wycats/salsa-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf3c6f9a65b9b66c11c416e6c9d846ea8a2b2ca7b5f9911f6ed7d4d961891713
[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" "cf3c6f9a65b9b66c11c416e6c9d846ea8a2b2ca7b5f9911f6ed7d4d961891713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3c6f9a65b9b66c11c416e6c9d846ea8a2b2ca7b5f9911f6ed7d4d961891713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3c6f9a65b9b66c11c416e6c9d846ea8a2b2ca7b5f9911f6ed7d4d961891713", kill_on_drop: false }`
[INFO] [stdout] cf3c6f9a65b9b66c11c416e6c9d846ea8a2b2ca7b5f9911f6ed7d4d961891713
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebb5320b7c0f6d5b701c92ad571128a4105e1f665a617aff0b7a9755a5e6ddb8
[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" "ebb5320b7c0f6d5b701c92ad571128a4105e1f665a617aff0b7a9755a5e6ddb8", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling derive-new v0.5.5
[INFO] [stderr]     Checking salsa v0.7.0
[INFO] [stderr]     Checking salsa-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `string_by_id` should have an upper camel case name
[INFO] [stdout]   --> src/database.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |             fn string_by_id() for InternedString;
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StringById`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `array_by_id` should have an upper camel case name
[INFO] [stdout]   --> src/database.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |             fn array_by_id() for InternedArray;
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ArrayById`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `concat` should have an upper camel case name
[INFO] [stdout]   --> src/database.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |             fn concat() for ConcatString;
[INFO] [stdout]    |                ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Concat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `string_by_id` should have an upper camel case name
[INFO] [stdout]   --> src/database.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |             fn string_by_id() for InternedString;
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `StringById`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `array_by_id` should have an upper camel case name
[INFO] [stdout]   --> src/database.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |             fn array_by_id() for InternedArray;
[INFO] [stdout]    |                ^^^^^^^^^^^ help: convert the identifier to upper camel case: `ArrayById`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `concat` should have an upper camel case name
[INFO] [stdout]   --> src/database.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |             fn concat() for ConcatString;
[INFO] [stdout]    |                ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Concat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "ebb5320b7c0f6d5b701c92ad571128a4105e1f665a617aff0b7a9755a5e6ddb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb5320b7c0f6d5b701c92ad571128a4105e1f665a617aff0b7a9755a5e6ddb8", kill_on_drop: false }`
[INFO] [stdout] ebb5320b7c0f6d5b701c92ad571128a4105e1f665a617aff0b7a9755a5e6ddb8