[INFO] fetching crate open-metrics-client-derive-text-encode 0.1.1...
[INFO] checking open-metrics-client-derive-text-encode-0.1.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate open-metrics-client-derive-text-encode 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate open-metrics-client-derive-text-encode 0.1.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate open-metrics-client-derive-text-encode 0.1.1
[INFO] finished tweaking crates.io crate open-metrics-client-derive-text-encode 0.1.1
[INFO] tweaked toml for crates.io crate open-metrics-client-derive-text-encode 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1c41e8dcc573ec3dc8f139c24aff77e3901d738e295f2248a74bff3e8903df2
[INFO] running `Command { std: "docker" "start" "-a" "b1c41e8dcc573ec3dc8f139c24aff77e3901d738e295f2248a74bff3e8903df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c41e8dcc573ec3dc8f139c24aff77e3901d738e295f2248a74bff3e8903df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c41e8dcc573ec3dc8f139c24aff77e3901d738e295f2248a74bff3e8903df2", kill_on_drop: false }`
[INFO] [stdout] b1c41e8dcc573ec3dc8f139c24aff77e3901d738e295f2248a74bff3e8903df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49ec7f98ae125bb26fa5d71443e97b0bc2dd42bf38930ea1b1324c72bf2be654
[INFO] running `Command { std: "docker" "start" "-a" "49ec7f98ae125bb26fa5d71443e97b0bc2dd42bf38930ea1b1324c72bf2be654", kill_on_drop: false }`
[INFO] [stderr]    Compiling open-metrics-client-derive-text-encode v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `open_metrics_client`
[INFO] [stdout]  --> tests/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use open_metrics_client::encoding::text::{encode, Encode};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `open_metrics_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `open_metrics_client`
[INFO] [stdout]  --> tests/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use open_metrics_client::metrics::counter::Counter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `open_metrics_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `open_metrics_client`
[INFO] [stdout]  --> tests/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use open_metrics_client::metrics::family::Family;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `open_metrics_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `open_metrics_client`
[INFO] [stdout]  --> tests/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use open_metrics_client::registry::Registry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `open_metrics_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for struct `remap_keyword_identifiers::Labels` in the current scope
[INFO] [stdout]   --> tests/lib.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     struct Labels {
[INFO] [stdout]    |     ------------- method `encode` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     labels.encode(&mut buffer);
[INFO] [stdout]    |            ^^^^^^ method not found in `Labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `open-metrics-client-derive-text-encode` (test "lib") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "49ec7f98ae125bb26fa5d71443e97b0bc2dd42bf38930ea1b1324c72bf2be654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ec7f98ae125bb26fa5d71443e97b0bc2dd42bf38930ea1b1324c72bf2be654", kill_on_drop: false }`
[INFO] [stdout] 49ec7f98ae125bb26fa5d71443e97b0bc2dd42bf38930ea1b1324c72bf2be654
[INFO] checking open-metrics-client-derive-text-encode-0.1.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate open-metrics-client-derive-text-encode 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate open-metrics-client-derive-text-encode 0.1.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate open-metrics-client-derive-text-encode 0.1.1
[INFO] finished tweaking crates.io crate open-metrics-client-derive-text-encode 0.1.1
[INFO] tweaked toml for crates.io crate open-metrics-client-derive-text-encode 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e18bd5647371a8c10495b36fc190728123173788d59855fb559f87985bd4462
[INFO] running `Command { std: "docker" "start" "-a" "5e18bd5647371a8c10495b36fc190728123173788d59855fb559f87985bd4462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e18bd5647371a8c10495b36fc190728123173788d59855fb559f87985bd4462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e18bd5647371a8c10495b36fc190728123173788d59855fb559f87985bd4462", kill_on_drop: false }`
[INFO] [stdout] 5e18bd5647371a8c10495b36fc190728123173788d59855fb559f87985bd4462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab552843b3f525278f157de0b8e4b2e27e5a2c3a00e10d4f99c9d149f6dfb7f2
[INFO] running `Command { std: "docker" "start" "-a" "ab552843b3f525278f157de0b8e4b2e27e5a2c3a00e10d4f99c9d149f6dfb7f2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "ab552843b3f525278f157de0b8e4b2e27e5a2c3a00e10d4f99c9d149f6dfb7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab552843b3f525278f157de0b8e4b2e27e5a2c3a00e10d4f99c9d149f6dfb7f2", kill_on_drop: false }`
[INFO] [stdout] ab552843b3f525278f157de0b8e4b2e27e5a2c3a00e10d4f99c9d149f6dfb7f2