[INFO] fetching crate mun_syntax 0.2.0...
[INFO] checking mun_syntax-0.2.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate mun_syntax 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mun_syntax 0.2.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_syntax 0.2.0
[INFO] finished tweaking crates.io crate mun_syntax 0.2.0
[INFO] tweaked toml for crates.io crate mun_syntax 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_unit v0.1.10
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded insta v0.12.0
[INFO] [stderr]   Downloaded smol_str v0.1.17
[INFO] [stderr]   Downloaded mun_abi v0.2.0
[INFO] [stderr]   Downloaded rowan v0.6.3
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e09d9ab67f990becbad3b6491b08d4b40110c7a2f952ea8a40c99fdd71058f83
[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" "e09d9ab67f990becbad3b6491b08d4b40110c7a2f952ea8a40c99fdd71058f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e09d9ab67f990becbad3b6491b08d4b40110c7a2f952ea8a40c99fdd71058f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09d9ab67f990becbad3b6491b08d4b40110c7a2f952ea8a40c99fdd71058f83", kill_on_drop: false }`
[INFO] [stdout] e09d9ab67f990becbad3b6491b08d4b40110c7a2f952ea8a40c99fdd71058f83
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caa679156806393730e793e47a0bd6fc8df83d1f9d88eccd46089c5d47bd2def
[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" "caa679156806393730e793e47a0bd6fc8df83d1f9d88eccd46089c5d47bd2def", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mun_abi v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking text_unit v0.1.10
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking rowan v0.6.3
[INFO] [stderr]     Checking mun_syntax v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v0.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.53s
[INFO] running `Command { std: "docker" "inspect" "caa679156806393730e793e47a0bd6fc8df83d1f9d88eccd46089c5d47bd2def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa679156806393730e793e47a0bd6fc8df83d1f9d88eccd46089c5d47bd2def", kill_on_drop: false }`
[INFO] [stdout] caa679156806393730e793e47a0bd6fc8df83d1f9d88eccd46089c5d47bd2def