[INFO] fetching crate mockall 0.9.0...
[INFO] checking mockall-0.9.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate mockall 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mockall 0.9.0 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 crates.io crate mockall 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mockall 0.9.0
[INFO] tweaked toml for crates.io crate mockall 0.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mockall 0.9.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4abee44aedc7b699941cd6e83869f4d3f80c64a1b1d07e4b2fe136cad491b305
[INFO] running `Command { std: "docker" "start" "-a" "4abee44aedc7b699941cd6e83869f4d3f80c64a1b1d07e4b2fe136cad491b305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4abee44aedc7b699941cd6e83869f4d3f80c64a1b1d07e4b2fe136cad491b305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abee44aedc7b699941cd6e83869f4d3f80c64a1b1d07e4b2fe136cad491b305", kill_on_drop: false }`
[INFO] [stdout] 4abee44aedc7b699941cd6e83869f4d3f80c64a1b1d07e4b2fe136cad491b305
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ab34b626f0bcdbd73fa8a70856a0ef91ebc53cef51f355219db9169dbd9ae3f1
[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" "ab34b626f0bcdbd73fa8a70856a0ef91ebc53cef51f355219db9169dbd9ae3f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling mockall_derive v0.9.0
[INFO] [stderr]    Compiling mockall_double v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking mockall v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "ab34b626f0bcdbd73fa8a70856a0ef91ebc53cef51f355219db9169dbd9ae3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab34b626f0bcdbd73fa8a70856a0ef91ebc53cef51f355219db9169dbd9ae3f1", kill_on_drop: false }`
[INFO] [stdout] ab34b626f0bcdbd73fa8a70856a0ef91ebc53cef51f355219db9169dbd9ae3f1