[INFO] cloning repository https://github.com/willemolding/serde-bin-prot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willemolding/serde-bin-prot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemolding%2Fserde-bin-prot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemolding%2Fserde-bin-prot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a5e469870dfdeb91dc7e2d0e2590fa77dc2eee6
[INFO] checking willemolding/serde-bin-prot against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillemolding%2Fserde-bin-prot" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willemolding/serde-bin-prot on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willemolding/serde-bin-prot
[INFO] finished tweaking git repo https://github.com/willemolding/serde-bin-prot
[INFO] tweaked toml for git repo https://github.com/willemolding/serde-bin-prot written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/willemolding/serde-bin-prot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ce06725e3be06a380a449ec41491b4f30e99dc0bcde3bdcea937aa644ceee52
[INFO] running `Command { std: "docker" "start" "-a" "4ce06725e3be06a380a449ec41491b4f30e99dc0bcde3bdcea937aa644ceee52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce06725e3be06a380a449ec41491b4f30e99dc0bcde3bdcea937aa644ceee52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce06725e3be06a380a449ec41491b4f30e99dc0bcde3bdcea937aa644ceee52", kill_on_drop: false }`
[INFO] [stdout] 4ce06725e3be06a380a449ec41491b4f30e99dc0bcde3bdcea937aa644ceee52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b016a23e781f23280e79a68ab3498a83659b47de64986f6590feac9aa38377
[INFO] running `Command { std: "docker" "start" "-a" "63b016a23e781f23280e79a68ab3498a83659b47de64986f6590feac9aa38377", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling psm v0.1.14
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_stacker v0.1.4
[INFO] [stderr]     Checking serde-bin-prot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Outer`
[INFO] [stdout]   --> tests/common.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) struct Outer {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Inner`
[INFO] [stdout]   --> tests/common.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct Inner {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Outer`
[INFO] [stdout]   --> tests/common.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) struct Outer {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Inner`
[INFO] [stdout]   --> tests/common.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct Inner {
[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] [stdout] warning: struct is never constructed: `Outer`
[INFO] [stdout]   --> tests/common.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) struct Outer {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Inner`
[INFO] [stdout]   --> tests/common.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct Inner {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_byte_array`
[INFO] [stdout]   --> tests/common.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn print_byte_array<W: Write>(w: &mut W, bytes: &[u8], max_len: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Outer`
[INFO] [stdout]   --> tests/common.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) struct Outer {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Inner`
[INFO] [stdout]   --> tests/common.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct Inner {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_byte_array`
[INFO] [stdout]   --> tests/common.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn print_byte_array<W: Write>(w: &mut W, bytes: &[u8], max_len: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `roundtrip_test`
[INFO] [stdout]    --> tests/common.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn roundtrip_test<'a, T: Serialize + Deserialize<'a> + PartialEq + Debug>(val: T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Outer`
[INFO] [stdout]   --> tests/common.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) struct Outer {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Inner`
[INFO] [stdout]   --> tests/common.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) struct Inner {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_byte_array`
[INFO] [stdout]   --> tests/common.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn print_byte_array<W: Write>(w: &mut W, bytes: &[u8], max_len: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.25s
[INFO] running `Command { std: "docker" "inspect" "63b016a23e781f23280e79a68ab3498a83659b47de64986f6590feac9aa38377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b016a23e781f23280e79a68ab3498a83659b47de64986f6590feac9aa38377", kill_on_drop: false }`
[INFO] [stdout] 63b016a23e781f23280e79a68ab3498a83659b47de64986f6590feac9aa38377