[INFO] fetching crate magnetar_core 0.1.0...
[INFO] checking magnetar_core-0.1.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate magnetar_core 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate magnetar_core 0.1.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magnetar_core 0.1.0
[INFO] finished tweaking crates.io crate magnetar_core 0.1.0
[INFO] tweaked toml for crates.io crate magnetar_core 0.1.0 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06a697fd26e580ead0a6f497cb617038822cd0b69b58c18708f4c597a0e957c0
[INFO] running `Command { std: "docker" "start" "-a" "06a697fd26e580ead0a6f497cb617038822cd0b69b58c18708f4c597a0e957c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06a697fd26e580ead0a6f497cb617038822cd0b69b58c18708f4c597a0e957c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a697fd26e580ead0a6f497cb617038822cd0b69b58c18708f4c597a0e957c0", kill_on_drop: false }`
[INFO] [stdout] 06a697fd26e580ead0a6f497cb617038822cd0b69b58c18708f4c597a0e957c0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b02977021463a3d4a22cdf091737e9916ef41295a48ad4469bad104ae86ec756
[INFO] running `Command { std: "docker" "start" "-a" "b02977021463a3d4a22cdf091737e9916ef41295a48ad4469bad104ae86ec756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking magnetar_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ContentType` is never used
[INFO] [stdout]   --> src/web_model/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait ContentType: Serialize {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rel` is never used
[INFO] [stdout]    --> src/web_model/mod.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 | trait Rel: Serialize {
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ContentType` is never used
[INFO] [stdout]   --> src/web_model/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait ContentType: Serialize {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rel` is never used
[INFO] [stdout]    --> src/web_model/mod.rs:104:7
[INFO] [stdout]     |
[INFO] [stdout] 104 | trait Rel: Serialize {
[INFO] [stdout]     |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "b02977021463a3d4a22cdf091737e9916ef41295a48ad4469bad104ae86ec756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02977021463a3d4a22cdf091737e9916ef41295a48ad4469bad104ae86ec756", kill_on_drop: false }`
[INFO] [stdout] b02977021463a3d4a22cdf091737e9916ef41295a48ad4469bad104ae86ec756