[INFO] fetching crate serde_json 1.0.138...
[INFO] building serde_json-1.0.138 against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044
[INFO] extracting crate serde_json 1.0.138 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate serde_json 1.0.138 on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_json 1.0.138
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_json 1.0.138
[INFO] tweaked toml for crates.io crate serde_json 1.0.138 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate serde_json 1.0.138 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86cca5fb526f3af8e01e0d0fd587dc5cdc3e38baf99c12c98aa8719e3668de1
[INFO] running `Command { std: "docker" "start" "-a" "b86cca5fb526f3af8e01e0d0fd587dc5cdc3e38baf99c12c98aa8719e3668de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86cca5fb526f3af8e01e0d0fd587dc5cdc3e38baf99c12c98aa8719e3668de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86cca5fb526f3af8e01e0d0fd587dc5cdc3e38baf99c12c98aa8719e3668de1", kill_on_drop: false }`
[INFO] [stdout] b86cca5fb526f3af8e01e0d0fd587dc5cdc3e38baf99c12c98aa8719e3668de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5de4365a6b3b42cc8d360ab4d1c3e22e577da112340d45f9a90fd317eb9c6477
[INFO] running `Command { std: "docker" "start" "-a" "5de4365a6b3b42cc8d360ab4d1c3e22e577da112340d45f9a90fd317eb9c6477", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.138 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "5de4365a6b3b42cc8d360ab4d1c3e22e577da112340d45f9a90fd317eb9c6477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de4365a6b3b42cc8d360ab4d1c3e22e577da112340d45f9a90fd317eb9c6477", kill_on_drop: false }`
[INFO] [stdout] 5de4365a6b3b42cc8d360ab4d1c3e22e577da112340d45f9a90fd317eb9c6477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b5dd2d79b9c6c6a5261c9010e05678fc454eba17e1c521ce919940ecaaf0a7a
[INFO] running `Command { std: "docker" "start" "-a" "3b5dd2d79b9c6c6a5261c9010e05678fc454eba17e1c521ce919940ecaaf0a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling winnow v0.6.25
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling dissimilar v1.0.9
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling psm v0.1.24
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling ref-cast-impl v1.0.23
[INFO] [stderr]    Compiling automod v1.0.14
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling serde_stacker v0.1.11
[INFO] [stderr]    Compiling serde_bytes v0.11.15
[INFO] [stderr]    Compiling serde_json v1.0.138 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling trybuild v1.0.103
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.84s
[INFO] running `Command { std: "docker" "inspect" "3b5dd2d79b9c6c6a5261c9010e05678fc454eba17e1c521ce919940ecaaf0a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5dd2d79b9c6c6a5261c9010e05678fc454eba17e1c521ce919940ecaaf0a7a", kill_on_drop: false }`
[INFO] [stdout] 3b5dd2d79b9c6c6a5261c9010e05678fc454eba17e1c521ce919940ecaaf0a7a