[INFO] fetching crate metrum 1.1.0...
[INFO] testing metrum-1.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate metrum 1.1.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrum 1.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2352ef9d2ed40460cdae7410acf2e9f7df7d3676104dc36863117bc6a7e0a7f
[INFO] running `Command { std: "docker" "start" "-a" "a2352ef9d2ed40460cdae7410acf2e9f7df7d3676104dc36863117bc6a7e0a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2352ef9d2ed40460cdae7410acf2e9f7df7d3676104dc36863117bc6a7e0a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2352ef9d2ed40460cdae7410acf2e9f7df7d3676104dc36863117bc6a7e0a7f", kill_on_drop: false }`
[INFO] [stdout] a2352ef9d2ed40460cdae7410acf2e9f7df7d3676104dc36863117bc6a7e0a7f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b03eb587b6a356d1f6a1ded7151b2334c2957aae74bce71a467764838b89ce4a
[INFO] running `Command { std: "docker" "start" "-a" "b03eb587b6a356d1f6a1ded7151b2334c2957aae74bce71a467764838b89ce4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrum v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b03eb587b6a356d1f6a1ded7151b2334c2957aae74bce71a467764838b89ce4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b03eb587b6a356d1f6a1ded7151b2334c2957aae74bce71a467764838b89ce4a", kill_on_drop: false }`
[INFO] [stdout] b03eb587b6a356d1f6a1ded7151b2334c2957aae74bce71a467764838b89ce4a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e57bc43d61ebd66b41d5061806cc5d677a202e0944dba4b06ff9725a7e1970
[INFO] running `Command { std: "docker" "start" "-a" "44e57bc43d61ebd66b41d5061806cc5d677a202e0944dba4b06ff9725a7e1970", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[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" "44e57bc43d61ebd66b41d5061806cc5d677a202e0944dba4b06ff9725a7e1970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e57bc43d61ebd66b41d5061806cc5d677a202e0944dba4b06ff9725a7e1970", kill_on_drop: false }`
[INFO] [stdout] 44e57bc43d61ebd66b41d5061806cc5d677a202e0944dba4b06ff9725a7e1970