[INFO] fetching crate mockall 0.9.1...
[INFO] checking mockall-0.9.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate mockall 0.9.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate mockall 0.9.1 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockall 0.9.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mockall 0.9.1
[INFO] tweaked toml for crates.io crate mockall 0.9.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate mockall 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] [stderr]   Downloaded mockall_double v0.2.0
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] bf99f61f8867fb611433b30463b91fe45f2082e0575c2fc08cb8a0f0cabf93b2
[INFO] running `Command { std: "docker" "start" "-a" "bf99f61f8867fb611433b30463b91fe45f2082e0575c2fc08cb8a0f0cabf93b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf99f61f8867fb611433b30463b91fe45f2082e0575c2fc08cb8a0f0cabf93b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf99f61f8867fb611433b30463b91fe45f2082e0575c2fc08cb8a0f0cabf93b2", kill_on_drop: false }`
[INFO] [stdout] bf99f61f8867fb611433b30463b91fe45f2082e0575c2fc08cb8a0f0cabf93b2
[INFO] running `Command { std: "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4da967884e48daf09296afc52fcbc43fc423b2ce84bf1fb08a05550bd8ef91
[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" "6b4da967884e48daf09296afc52fcbc43fc423b2ce84bf1fb08a05550bd8ef91", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling mockall_double v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking mockall v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "6b4da967884e48daf09296afc52fcbc43fc423b2ce84bf1fb08a05550bd8ef91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4da967884e48daf09296afc52fcbc43fc423b2ce84bf1fb08a05550bd8ef91", kill_on_drop: false }`
[INFO] [stdout] 6b4da967884e48daf09296afc52fcbc43fc423b2ce84bf1fb08a05550bd8ef91