[INFO] fetching crate serde_with_macros 1.4.1...
[INFO] checking serde_with_macros-1.4.1 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate serde_with_macros 1.4.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate serde_with_macros 1.4.1 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_with_macros 1.4.1
[INFO] finished tweaking crates.io crate serde_with_macros 1.4.1
[INFO] tweaked toml for crates.io crate serde_with_macros 1.4.1 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded trybuild v1.0.42
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded version-sync v0.9.2
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 418e1c107461a23fe4d54ebefe91e6259e0e2278a638dcbf2708a7d00b3168e7
[INFO] running `Command { std: "docker" "start" "-a" "418e1c107461a23fe4d54ebefe91e6259e0e2278a638dcbf2708a7d00b3168e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "418e1c107461a23fe4d54ebefe91e6259e0e2278a638dcbf2708a7d00b3168e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418e1c107461a23fe4d54ebefe91e6259e0e2278a638dcbf2708a7d00b3168e7", kill_on_drop: false }`
[INFO] [stdout] 418e1c107461a23fe4d54ebefe91e6259e0e2278a638dcbf2708a7d00b3168e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6192bf59b5d46023cddf04e7b2437815d7ef0717deb0eadf84729ee7f96318c6
[INFO] running `Command { std: "docker" "start" "-a" "6192bf59b5d46023cddf04e7b2437815d7ef0717deb0eadf84729ee7f96318c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking darling_core v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking darling v0.12.4
[INFO] [stderr]     Checking serde_with_macros v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.97s
[INFO] running `Command { std: "docker" "inspect" "6192bf59b5d46023cddf04e7b2437815d7ef0717deb0eadf84729ee7f96318c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6192bf59b5d46023cddf04e7b2437815d7ef0717deb0eadf84729ee7f96318c6", kill_on_drop: false }`
[INFO] [stdout] 6192bf59b5d46023cddf04e7b2437815d7ef0717deb0eadf84729ee7f96318c6