[INFO] fetching crate canteen 0.5.5...
[INFO] checking canteen-0.5.5 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate canteen 0.5.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate canteen 0.5.5 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canteen 0.5.5
[INFO] finished tweaking crates.io crate canteen 0.5.5
[INFO] tweaked toml for crates.io crate canteen 0.5.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 286aac89eaf26deca93088efbdd56c1ac1edee924a87d06192c20fdc0beb1f7d
[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" "286aac89eaf26deca93088efbdd56c1ac1edee924a87d06192c20fdc0beb1f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "286aac89eaf26deca93088efbdd56c1ac1edee924a87d06192c20fdc0beb1f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286aac89eaf26deca93088efbdd56c1ac1edee924a87d06192c20fdc0beb1f7d", kill_on_drop: false }`
[INFO] [stdout] 286aac89eaf26deca93088efbdd56c1ac1edee924a87d06192c20fdc0beb1f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca25cb12b7fff15cbb2c48a38c705ab82d283d08b4d6416e5eb0cb63334a49ac
[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" "ca25cb12b7fff15cbb2c48a38c705ab82d283d08b4d6416e5eb0cb63334a49ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking canteen v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.26s
[INFO] running `Command { std: "docker" "inspect" "ca25cb12b7fff15cbb2c48a38c705ab82d283d08b4d6416e5eb0cb63334a49ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca25cb12b7fff15cbb2c48a38c705ab82d283d08b4d6416e5eb0cb63334a49ac", kill_on_drop: false }`
[INFO] [stdout] ca25cb12b7fff15cbb2c48a38c705ab82d283d08b4d6416e5eb0cb63334a49ac