[INFO] crate serde-lexpr 0.1.1 is already in cache
[INFO] checking serde-lexpr-0.1.1 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate serde-lexpr 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde-lexpr 0.1.1 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-lexpr 0.1.1
[INFO] finished tweaking crates.io crate serde-lexpr 0.1.1
[INFO] tweaked toml for crates.io crate serde-lexpr 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce4648fc71a1821fd410f29b8595efa8b0089b361c53f290bc7be96b0b9927bd
[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" "ce4648fc71a1821fd410f29b8595efa8b0089b361c53f290bc7be96b0b9927bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce4648fc71a1821fd410f29b8595efa8b0089b361c53f290bc7be96b0b9927bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4648fc71a1821fd410f29b8595efa8b0089b361c53f290bc7be96b0b9927bd", kill_on_drop: false }`
[INFO] [stdout] ce4648fc71a1821fd410f29b8595efa8b0089b361c53f290bc7be96b0b9927bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a814f345f6d54ce9bd15d1723c203f98d3e15c4765588504075a74409d99746
[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" "1a814f345f6d54ce9bd15d1723c203f98d3e15c4765588504075a74409d99746", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]    Compiling lexpr-macros v0.2.1
[INFO] [stderr]     Checking lexpr v0.2.4
[INFO] [stderr]     Checking serde-lexpr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:155:50
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn invalid_type(unexp: de::Unexpected, exp: &de::Expected) -> Self {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn de::Expected`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:155:50
[INFO] [stdout]     |
[INFO] [stdout] 155 |     fn invalid_type(unexp: de::Unexpected, exp: &de::Expected) -> Self {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ help: use `dyn`: `dyn de::Expected`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `Command { std: "docker" "inspect" "1a814f345f6d54ce9bd15d1723c203f98d3e15c4765588504075a74409d99746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a814f345f6d54ce9bd15d1723c203f98d3e15c4765588504075a74409d99746", kill_on_drop: false }`
[INFO] [stdout] 1a814f345f6d54ce9bd15d1723c203f98d3e15c4765588504075a74409d99746