[INFO] fetching crate serde 1.0.193...
[INFO] checking serde-1.0.193 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate serde 1.0.193 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate serde 1.0.193 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde 1.0.193
[INFO] finished tweaking crates.io crate serde 1.0.193
[INFO] tweaked toml for crates.io crate serde 1.0.193 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68f80f35f845191c77c05af25e896ed7a139fd92f14191dec3866e90c786dd42
[INFO] running `Command { std: "docker" "start" "-a" "68f80f35f845191c77c05af25e896ed7a139fd92f14191dec3866e90c786dd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68f80f35f845191c77c05af25e896ed7a139fd92f14191dec3866e90c786dd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f80f35f845191c77c05af25e896ed7a139fd92f14191dec3866e90c786dd42", kill_on_drop: false }`
[INFO] [stdout] 68f80f35f845191c77c05af25e896ed7a139fd92f14191dec3866e90c786dd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d8945a14f4d7bbf89a5dfa38580d7f9a0818845b20f1629685a23fc68cadfc9
[INFO] running `Command { std: "docker" "start" "-a" "7d8945a14f4d7bbf89a5dfa38580d7f9a0818845b20f1629685a23fc68cadfc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stdout] error: the item `Into` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:184:47
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub use self::core::convert::{self, From, Into};
[INFO] [stdout]     |                                               ^^^^
[INFO] [stdout]    --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Into` is already defined here
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:155:23
[INFO] [stdout]     |
[INFO] [stdout] 155 | #![deny(missing_docs, unused_imports)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d8945a14f4d7bbf89a5dfa38580d7f9a0818845b20f1629685a23fc68cadfc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8945a14f4d7bbf89a5dfa38580d7f9a0818845b20f1629685a23fc68cadfc9", kill_on_drop: false }`
[INFO] [stdout] 7d8945a14f4d7bbf89a5dfa38580d7f9a0818845b20f1629685a23fc68cadfc9
[INFO] checking serde-1.0.193 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate serde 1.0.193 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate serde 1.0.193 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde 1.0.193
[INFO] finished tweaking crates.io crate serde 1.0.193
[INFO] tweaked toml for crates.io crate serde 1.0.193 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 836de09972e6ebbec7c33ea723c4b360ed108a062ebb5c077038a732351a3953
[INFO] running `Command { std: "docker" "start" "-a" "836de09972e6ebbec7c33ea723c4b360ed108a062ebb5c077038a732351a3953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836de09972e6ebbec7c33ea723c4b360ed108a062ebb5c077038a732351a3953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836de09972e6ebbec7c33ea723c4b360ed108a062ebb5c077038a732351a3953", kill_on_drop: false }`
[INFO] [stdout] 836de09972e6ebbec7c33ea723c4b360ed108a062ebb5c077038a732351a3953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2435e2acf6007d117b639d5f4be16d875f84da41477de27fe30fc57c1e4c563e
[INFO] running `Command { std: "docker" "start" "-a" "2435e2acf6007d117b639d5f4be16d875f84da41477de27fe30fc57c1e4c563e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "2435e2acf6007d117b639d5f4be16d875f84da41477de27fe30fc57c1e4c563e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2435e2acf6007d117b639d5f4be16d875f84da41477de27fe30fc57c1e4c563e", kill_on_drop: false }`
[INFO] [stdout] 2435e2acf6007d117b639d5f4be16d875f84da41477de27fe30fc57c1e4c563e