[INFO] fetching crate encoding-asn1 0.1.0...
[INFO] checking encoding-asn1-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate encoding-asn1 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate encoding-asn1 0.1.0
[INFO] finished tweaking crates.io crate encoding-asn1 0.1.0
[INFO] tweaked toml for crates.io crate encoding-asn1 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate encoding-asn1 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate encoding-asn1 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd694bb99355bf64e97f766524a03b0235b34067aeeeb3ad334d60a7403385ef
[INFO] running `Command { std: "docker" "start" "-a" "dd694bb99355bf64e97f766524a03b0235b34067aeeeb3ad334d60a7403385ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd694bb99355bf64e97f766524a03b0235b34067aeeeb3ad334d60a7403385ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd694bb99355bf64e97f766524a03b0235b34067aeeeb3ad334d60a7403385ef", kill_on_drop: false }`
[INFO] [stdout] dd694bb99355bf64e97f766524a03b0235b34067aeeeb3ad334d60a7403385ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4f5f67174844e1f04d340b913b55416a34581e0499ec61b9b63efd8c08ac69
[INFO] running `Command { std: "docker" "start" "-a" "cf4f5f67174844e1f04d340b913b55416a34581e0499ec61b9b63efd8c08ac69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling encoding-asn1-derive v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking encoding-asn1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]    --> src/unmarshal.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     struct IntStruct {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 180 |         a: i32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IntStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `a` is never read
[INFO] [stdout]  --> examples/hello2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct IntStruct {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 8 |     a: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IntStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "cf4f5f67174844e1f04d340b913b55416a34581e0499ec61b9b63efd8c08ac69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4f5f67174844e1f04d340b913b55416a34581e0499ec61b9b63efd8c08ac69", kill_on_drop: false }`
[INFO] [stdout] cf4f5f67174844e1f04d340b913b55416a34581e0499ec61b9b63efd8c08ac69