[INFO] fetching crate ouroboros 0.18.0...
[INFO] checking ouroboros-0.18.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate ouroboros 0.18.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ouroboros 0.18.0 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 ouroboros 0.18.0
[INFO] finished tweaking crates.io crate ouroboros 0.18.0
[INFO] tweaked toml for crates.io crate ouroboros 0.18.0 written to /workspace/builds/worker-2-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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2-diagnostics v0.10.1
[INFO] [stderr]   Downloaded ouroboros_macro v0.18.3
[INFO] [stderr]   Downloaded yansi v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d1258f7689b9a0d783a707615179692908c79e77b486c4159536374dd25d2c5c
[INFO] running `Command { std: "docker" "start" "-a" "d1258f7689b9a0d783a707615179692908c79e77b486c4159536374dd25d2c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1258f7689b9a0d783a707615179692908c79e77b486c4159536374dd25d2c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1258f7689b9a0d783a707615179692908c79e77b486c4159536374dd25d2c5c", kill_on_drop: false }`
[INFO] [stdout] d1258f7689b9a0d783a707615179692908c79e77b486c4159536374dd25d2c5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f7983526c2da75cebba98464fcecb4aa8d3e1ff9d5cd7e83ea9781dcb72959fe
[INFO] running `Command { std: "docker" "start" "-a" "f7983526c2da75cebba98464fcecb4aa8d3e1ff9d5cd7e83ea9781dcb72959fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling ouroboros_macro v0.18.3
[INFO] [stderr]     Checking ouroboros v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "f7983526c2da75cebba98464fcecb4aa8d3e1ff9d5cd7e83ea9781dcb72959fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7983526c2da75cebba98464fcecb4aa8d3e1ff9d5cd7e83ea9781dcb72959fe", kill_on_drop: false }`
[INFO] [stdout] f7983526c2da75cebba98464fcecb4aa8d3e1ff9d5cd7e83ea9781dcb72959fe
[INFO] checking ouroboros-0.18.0 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate ouroboros 0.18.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ouroboros 0.18.0 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 ouroboros 0.18.0
[INFO] finished tweaking crates.io crate ouroboros 0.18.0
[INFO] tweaked toml for crates.io crate ouroboros 0.18.0 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] faf7a792c6f56f450767bfc35276a3c17f8e5517ccf80eb9b029ddf78d0024d7
[INFO] running `Command { std: "docker" "start" "-a" "faf7a792c6f56f450767bfc35276a3c17f8e5517ccf80eb9b029ddf78d0024d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faf7a792c6f56f450767bfc35276a3c17f8e5517ccf80eb9b029ddf78d0024d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf7a792c6f56f450767bfc35276a3c17f8e5517ccf80eb9b029ddf78d0024d7", kill_on_drop: false }`
[INFO] [stdout] faf7a792c6f56f450767bfc35276a3c17f8e5517ccf80eb9b029ddf78d0024d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e055464d2dcd3f8920d2770cf434119608e779b2ddb94899ad5a9832b19a06c9
[INFO] running `Command { std: "docker" "start" "-a" "e055464d2dcd3f8920d2770cf434119608e779b2ddb94899ad5a9832b19a06c9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "e055464d2dcd3f8920d2770cf434119608e779b2ddb94899ad5a9832b19a06c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e055464d2dcd3f8920d2770cf434119608e779b2ddb94899ad5a9832b19a06c9", kill_on_drop: false }`
[INFO] [stdout] e055464d2dcd3f8920d2770cf434119608e779b2ddb94899ad5a9832b19a06c9