[INFO] fetching crate rocket-slog 0.4.0...
[INFO] checking rocket-slog-0.4.0 against try#40b20bc1bf55bfe3b99c09c905e596d3e650663c for pr-73084-1
[INFO] extracting crate rocket-slog 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rocket-slog 0.4.0 on toolchain 40b20bc1bf55bfe3b99c09c905e596d3e650663c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket-slog 0.4.0
[INFO] finished tweaking crates.io crate rocket-slog 0.4.0
[INFO] tweaked toml for crates.io crate rocket-slog 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "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] 4033fca0f7489b3a759728233df95ba56057dd6faa75a48c04648830756acd1b
[INFO] running `Command { std: "docker" "start" "-a" "4033fca0f7489b3a759728233df95ba56057dd6faa75a48c04648830756acd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4033fca0f7489b3a759728233df95ba56057dd6faa75a48c04648830756acd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4033fca0f7489b3a759728233df95ba56057dd6faa75a48c04648830756acd1b", kill_on_drop: false }`
[INFO] [stdout] 4033fca0f7489b3a759728233df95ba56057dd6faa75a48c04648830756acd1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "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] 30b81e20d1b67c8bdbde3b9a7a121997956d67c3e339b0db967002b454685ff6
[INFO] running `Command { std: "docker" "start" "-a" "30b81e20d1b67c8bdbde3b9a7a121997956d67c3e339b0db967002b454685ff6", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rocket v0.4.5
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking rocket-slog v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking sloggers v0.3.6
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/app.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.21s
[INFO] running `Command { std: "docker" "inspect" "30b81e20d1b67c8bdbde3b9a7a121997956d67c3e339b0db967002b454685ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b81e20d1b67c8bdbde3b9a7a121997956d67c3e339b0db967002b454685ff6", kill_on_drop: false }`
[INFO] [stdout] 30b81e20d1b67c8bdbde3b9a7a121997956d67c3e339b0db967002b454685ff6