[INFO] fetching crate air-interpreter-value 0.1.0...
[INFO] checking air-interpreter-value-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate air-interpreter-value 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate air-interpreter-value 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate air-interpreter-value 0.1.0
[INFO] finished tweaking crates.io crate air-interpreter-value 0.1.0
[INFO] tweaked toml for crates.io crate air-interpreter-value 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb3fa93189fd0d9295c47234215137905a337d18b05540e9933128e11b12379c
[INFO] running `Command { std: "docker" "start" "-a" "eb3fa93189fd0d9295c47234215137905a337d18b05540e9933128e11b12379c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb3fa93189fd0d9295c47234215137905a337d18b05540e9933128e11b12379c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3fa93189fd0d9295c47234215137905a337d18b05540e9933128e11b12379c", kill_on_drop: false }`
[INFO] [stdout] eb3fa93189fd0d9295c47234215137905a337d18b05540e9933128e11b12379c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7c851cb583808da8bc3b504d11d07c64fb2c2ed317b022853c0e423ee3a4b01
[INFO] running `Command { std: "docker" "start" "-a" "f7c851cb583808da8bc3b504d11d07c64fb2c2ed317b022853c0e423ee3a4b01", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking air-interpreter-value v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::ser::Serializer`
[INFO] [stdout]   --> src/value/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub use serde::ser::Serializer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::ser::Serializer`
[INFO] [stdout]   --> src/value/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub use serde::ser::Serializer;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Type` is never constructed
[INFO] [stdout]   --> src/value/index.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Type<'a>(&'a JValue);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Type` is never constructed
[INFO] [stdout]   --> src/value/index.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Type<'a>(&'a JValue);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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 5.26s
[INFO] running `Command { std: "docker" "inspect" "f7c851cb583808da8bc3b504d11d07c64fb2c2ed317b022853c0e423ee3a4b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c851cb583808da8bc3b504d11d07c64fb2c2ed317b022853c0e423ee3a4b01", kill_on_drop: false }`
[INFO] [stdout] f7c851cb583808da8bc3b504d11d07c64fb2c2ed317b022853c0e423ee3a4b01