[INFO] fetching crate remain 0.2.2...
[INFO] checking remain-0.2.2 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate remain 0.2.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate remain 0.2.2 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remain 0.2.2
[INFO] finished tweaking crates.io crate remain 0.2.2
[INFO] tweaked toml for crates.io crate remain 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1181de89a065f98d287d9127eaf37ebcb41a85c2d1c303a1317af2722333ddfe
[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" "1181de89a065f98d287d9127eaf37ebcb41a85c2d1c303a1317af2722333ddfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1181de89a065f98d287d9127eaf37ebcb41a85c2d1c303a1317af2722333ddfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1181de89a065f98d287d9127eaf37ebcb41a85c2d1c303a1317af2722333ddfe", kill_on_drop: false }`
[INFO] [stdout] 1181de89a065f98d287d9127eaf37ebcb41a85c2d1c303a1317af2722333ddfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] e7129a969959392cc16d3eb1ea6b9c6b7e2c8d56c4da7ff2670806c75835cdb3
[INFO] running `Command { std: "docker" "start" "-a" "e7129a969959392cc16d3eb1ea6b9c6b7e2c8d56c4da7ff2670806c75835cdb3", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking remain v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.70s
[INFO] running `Command { std: "docker" "inspect" "e7129a969959392cc16d3eb1ea6b9c6b7e2c8d56c4da7ff2670806c75835cdb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7129a969959392cc16d3eb1ea6b9c6b7e2c8d56c4da7ff2670806c75835cdb3", kill_on_drop: false }`
[INFO] [stdout] e7129a969959392cc16d3eb1ea6b9c6b7e2c8d56c4da7ff2670806c75835cdb3