[INFO] fetching crate serde_with 1.6.4...
[INFO] checking serde_with-1.6.4 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate serde_with 1.6.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate serde_with 1.6.4 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_with 1.6.4
[INFO] removed 6 missing tests
[INFO] finished tweaking crates.io crate serde_with 1.6.4
[INFO] tweaked toml for crates.io crate serde_with 1.6.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.12.2
[INFO] [stderr]   Downloaded darling v0.12.2
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded serde-xml-rs v0.4.1
[INFO] [stderr]   Downloaded serde_with_macros v1.4.1
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded version-sync v0.9.2
[INFO] [stderr]   Downloaded darling_core v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5582b45acc99b2f47258d82c81b256ee8107683434a1678f228a7b32c5f4a63
[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" "e5582b45acc99b2f47258d82c81b256ee8107683434a1678f228a7b32c5f4a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5582b45acc99b2f47258d82c81b256ee8107683434a1678f228a7b32c5f4a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5582b45acc99b2f47258d82c81b256ee8107683434a1678f228a7b32c5f4a63", kill_on_drop: false }`
[INFO] [stdout] e5582b45acc99b2f47258d82c81b256ee8107683434a1678f228a7b32c5f4a63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ecc9dae488a526a6496ec4514937dcfded451173d7858bf82009b087a45fab2
[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" "9ecc9dae488a526a6496ec4514937dcfded451173d7858bf82009b087a45fab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking syn v1.0.64
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling darling_macro v0.12.2
[INFO] [stderr]    Compiling darling v0.12.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]    Compiling serde_with_macros v1.4.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking serde_with v1.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.44s
[INFO] running `Command { std: "docker" "inspect" "9ecc9dae488a526a6496ec4514937dcfded451173d7858bf82009b087a45fab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ecc9dae488a526a6496ec4514937dcfded451173d7858bf82009b087a45fab2", kill_on_drop: false }`
[INFO] [stdout] 9ecc9dae488a526a6496ec4514937dcfded451173d7858bf82009b087a45fab2