[INFO] fetching crate scale-serialization 1.0.0-beta2...
[INFO] checking scale-serialization-1.0.0-beta2 against master#7036449c774860a5b348dbbe01c20704c557382e for pr-98456
[INFO] extracting crate scale-serialization 1.0.0-beta2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate scale-serialization 1.0.0-beta2 on toolchain 7036449c774860a5b348dbbe01c20704c557382e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scale-serialization 1.0.0-beta2
[INFO] finished tweaking crates.io crate scale-serialization 1.0.0-beta2
[INFO] tweaked toml for crates.io crate scale-serialization 1.0.0-beta2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9764da95faa8aebaffa968dae6d37efe4cbcb9611c09ae617be236b0f98d1e7
[INFO] running `Command { std: "docker" "start" "-a" "e9764da95faa8aebaffa968dae6d37efe4cbcb9611c09ae617be236b0f98d1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9764da95faa8aebaffa968dae6d37efe4cbcb9611c09ae617be236b0f98d1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9764da95faa8aebaffa968dae6d37efe4cbcb9611c09ae617be236b0f98d1e7", kill_on_drop: false }`
[INFO] [stdout] e9764da95faa8aebaffa968dae6d37efe4cbcb9611c09ae617be236b0f98d1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7036449c774860a5b348dbbe01c20704c557382e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15dd41ac4dc7abfd7b5da48e88be313c4644da7aa0343e106d2a11053fe68c70
[INFO] running `Command { std: "docker" "start" "-a" "15dd41ac4dc7abfd7b5da48e88be313c4644da7aa0343e106d2a11053fe68c70", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.1.3
[INFO] [stderr]    Compiling scale-info-derive v2.1.2
[INFO] [stderr]     Checking parity-scale-codec v3.1.5
[INFO] [stderr]     Checking scale-info v2.1.2
[INFO] [stderr]     Checking scale-serialization v1.0.0-beta2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]     --> src/serializer.rs:1031:20
[INFO] [stdout]      |
[INFO] [stdout] 1031 |         struct Foo<'a> {
[INFO] [stdout]      |                    ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]     --> src/serializer.rs:1036:18
[INFO] [stdout]      |
[INFO] [stdout] 1036 |         enum Bar<'a> {
[INFO] [stdout]      |                  ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]    --> src/value.rs:609:20
[INFO] [stdout]     |
[INFO] [stdout] 609 |         struct Foo<'a>([u8; 4], (bool, Option<()>), Baz<'a>, Baz<'a>);
[INFO] [stdout]     |                    ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary lifetime parameter `'a`
[INFO] [stdout]    --> src/value.rs:615:18
[INFO] [stdout]     |
[INFO] [stdout] 615 |         enum Baz<'a> {
[INFO] [stdout]     |                  ^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: you can use the `'static` lifetime directly, in place of `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.56s
[INFO] running `Command { std: "docker" "inspect" "15dd41ac4dc7abfd7b5da48e88be313c4644da7aa0343e106d2a11053fe68c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dd41ac4dc7abfd7b5da48e88be313c4644da7aa0343e106d2a11053fe68c70", kill_on_drop: false }`
[INFO] [stdout] 15dd41ac4dc7abfd7b5da48e88be313c4644da7aa0343e106d2a11053fe68c70