[INFO] fetching crate aces 0.0.13...
[INFO] checking aces-0.0.13 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate aces 0.0.13 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate aces 0.0.13 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aces 0.0.13
[INFO] finished tweaking crates.io crate aces 0.0.13
[INFO] tweaked toml for crates.io crate aces 0.0.13 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f9a197af1883c6f7fea7efa51345d15e78912bf41c33483cb9c5ba6743ac0ea
[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" "0f9a197af1883c6f7fea7efa51345d15e78912bf41c33483cb9c5ba6743ac0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f9a197af1883c6f7fea7efa51345d15e78912bf41c33483cb9c5ba6743ac0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9a197af1883c6f7fea7efa51345d15e78912bf41c33483cb9c5ba6743ac0ea", kill_on_drop: false }`
[INFO] [stdout] 0f9a197af1883c6f7fea7efa51345d15e78912bf41c33483cb9c5ba6743ac0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d4c4084b5f605cc05f5ddbb1de0ffe831c3d0b71020288c54174681f965955b
[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" "3d4c4084b5f605cc05f5ddbb1de0ffe831c3d0b71020288c54174681f965955b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking varisat-formula v0.2.1
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking vec_mut_scan v0.1.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking partial_ref v0.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking varisat-internal-proof v0.2.1
[INFO] [stderr]     Checking varisat-dimacs v0.2.1
[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]     Checking varisat-checker v0.2.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking aces v0.0.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "3d4c4084b5f605cc05f5ddbb1de0ffe831c3d0b71020288c54174681f965955b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4c4084b5f605cc05f5ddbb1de0ffe831c3d0b71020288c54174681f965955b", kill_on_drop: false }`
[INFO] [stdout] 3d4c4084b5f605cc05f5ddbb1de0ffe831c3d0b71020288c54174681f965955b