[INFO] fetching crate serde_json 1.0.81...
[INFO] checking serde_json-1.0.81 against try#56723e30e40b52b73b9722d31caeec71c84a0ed4 for pr-98370
[INFO] extracting crate serde_json 1.0.81 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serde_json 1.0.81 on toolchain 56723e30e40b52b73b9722d31caeec71c84a0ed4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_json 1.0.81
[INFO] finished tweaking crates.io crate serde_json 1.0.81
[INFO] tweaked toml for crates.io crate serde_json 1.0.81 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76829add647a2f48e00f32c2430220c793e1f89cff25f0a5d0ac2a8cb4346cb4
[INFO] running `Command { std: "docker" "start" "-a" "76829add647a2f48e00f32c2430220c793e1f89cff25f0a5d0ac2a8cb4346cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76829add647a2f48e00f32c2430220c793e1f89cff25f0a5d0ac2a8cb4346cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76829add647a2f48e00f32c2430220c793e1f89cff25f0a5d0ac2a8cb4346cb4", kill_on_drop: false }`
[INFO] [stdout] 76829add647a2f48e00f32c2430220c793e1f89cff25f0a5d0ac2a8cb4346cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af49352479940bb629ba53299ecd10751c05eabb12c3370fa9dcf2acb752e65
[INFO] running `Command { std: "docker" "start" "-a" "0af49352479940bb629ba53299ecd10751c05eabb12c3370fa9dcf2acb752e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.81 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustversion v1.0.7
[INFO] [stderr]    Compiling trybuild v1.0.63
[INFO] [stderr]    Compiling ref-cast v1.0.7
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking dissimilar v1.0.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling psm v0.1.18
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]    Compiling automod v1.0.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking serde_stacker v0.1.5
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.01s
[INFO] running `Command { std: "docker" "inspect" "0af49352479940bb629ba53299ecd10751c05eabb12c3370fa9dcf2acb752e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af49352479940bb629ba53299ecd10751c05eabb12c3370fa9dcf2acb752e65", kill_on_drop: false }`
[INFO] [stdout] 0af49352479940bb629ba53299ecd10751c05eabb12c3370fa9dcf2acb752e65