[INFO] fetching crate metrum 1.1.0...
[INFO] testing metrum-1.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate metrum 1.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate metrum 1.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metrum 1.1.0
[INFO] tweaked toml for crates.io crate metrum 1.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrum 1.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metrum 1.1.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b0b7302f7c58d62003a90a92ece4ad3ad2f15eef2d8427f620f74b28e229c76
[INFO] running `Command { std: "docker" "start" "-a" "9b0b7302f7c58d62003a90a92ece4ad3ad2f15eef2d8427f620f74b28e229c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b0b7302f7c58d62003a90a92ece4ad3ad2f15eef2d8427f620f74b28e229c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0b7302f7c58d62003a90a92ece4ad3ad2f15eef2d8427f620f74b28e229c76", kill_on_drop: false }`
[INFO] [stdout] 9b0b7302f7c58d62003a90a92ece4ad3ad2f15eef2d8427f620f74b28e229c76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5ca917ef341ae0cb89cd3c259c1b0c5492cfc11de0c475d2ecbee66686ddd17
[INFO] running `Command { std: "docker" "start" "-a" "e5ca917ef341ae0cb89cd3c259c1b0c5492cfc11de0c475d2ecbee66686ddd17", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrum v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "e5ca917ef341ae0cb89cd3c259c1b0c5492cfc11de0c475d2ecbee66686ddd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ca917ef341ae0cb89cd3c259c1b0c5492cfc11de0c475d2ecbee66686ddd17", kill_on_drop: false }`
[INFO] [stdout] e5ca917ef341ae0cb89cd3c259c1b0c5492cfc11de0c475d2ecbee66686ddd17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84988280cbf26d470f749120babeac082f57ec054b835a3f37a5569182b2c61b
[INFO] running `Command { std: "docker" "start" "-a" "84988280cbf26d470f749120babeac082f57ec054b835a3f37a5569182b2c61b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling metrum v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/length.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use serde::Serialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]    --> src/length.rs:126:32
[INFO] [stdout]     |
[INFO] [stdout] 126 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]     |
[INFO] [stdout] 124 +     use serde::Deserialize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/speed.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 65 +     use serde::Serialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/speed.rs:67:32
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 65 +     use serde::Deserialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/temp.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 52 +     use serde::Serialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/temp.rs:56:32
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 52 +     use serde::Deserialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/weight.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 83 +     use serde::Serialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/weight.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[derive(Debug, Serialize, Deserialize)]
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this derive macro
[INFO] [stdout]    |
[INFO] [stdout] 83 +     use serde::Deserialize;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `metrum` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "84988280cbf26d470f749120babeac082f57ec054b835a3f37a5569182b2c61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84988280cbf26d470f749120babeac082f57ec054b835a3f37a5569182b2c61b", kill_on_drop: false }`
[INFO] [stdout] 84988280cbf26d470f749120babeac082f57ec054b835a3f37a5569182b2c61b