[INFO] fetching crate bitcode 0.6.9...
[INFO] checking bitcode-0.6.9 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate bitcode 0.6.9 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate bitcode 0.6.9
[INFO] finished tweaking crates.io crate bitcode 0.6.9
[INFO] tweaked toml for crates.io crate bitcode 0.6.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitcode 0.6.9 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bitcode 0.6.9 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 364e7a501080df93cc694e0c8f4a6799e42fd09372f1dd217e3c2b5ed874264b
[INFO] running `Command { std: "docker" "start" "-a" "364e7a501080df93cc694e0c8f4a6799e42fd09372f1dd217e3c2b5ed874264b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "364e7a501080df93cc694e0c8f4a6799e42fd09372f1dd217e3c2b5ed874264b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "364e7a501080df93cc694e0c8f4a6799e42fd09372f1dd217e3c2b5ed874264b", kill_on_drop: false }`
[INFO] [stdout] 364e7a501080df93cc694e0c8f4a6799e42fd09372f1dd217e3c2b5ed874264b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4161c77e875def19d2121db7afc6b07709763f70f88d76c9ba2eb10342580240
[INFO] running `Command { std: "docker" "start" "-a" "4161c77e875def19d2121db7afc6b07709763f70f88d76c9ba2eb10342580240", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking lz4_flex v0.11.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling jobserver v0.1.28
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking glam v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling bitcode_derive v0.6.9
[INFO] [stderr]     Checking bitcode v0.6.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking zstd v0.13.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] warning: enum `Never` is never used
[INFO] [stdout]    --> src/derive/mod.rs:146:10
[INFO] [stdout]     |
[INFO] [stdout] 146 |     enum Never {}
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `One` is never used
[INFO] [stdout]    --> src/derive/mod.rs:149:10
[INFO] [stdout]     |
[INFO] [stdout] 149 |     enum One {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Two` is never used
[INFO] [stdout]    --> src/derive/mod.rs:155:10
[INFO] [stdout]     |
[INFO] [stdout] 155 |     enum Two {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TupleStruct` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 161 |     struct TupleStruct(u8, i8);
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Generic` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     struct Generic<T>(T);
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericManual` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     struct GenericManual<T>(#[bitcode(bound_type = "T")] T);
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GenericWhere` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |     struct GenericWhere<A, B>(A, B)
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lifetime` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:175:12
[INFO] [stdout]     |
[INFO] [stdout] 175 |     struct Lifetime<'a>(&'a str);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LifetimeWhere` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 178 |     struct LifetimeWhere<'a, 'b>(&'a str, &'b str)
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstGeneric` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     struct ConstGeneric<const N: usize>([u8; N]);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:186:12
[INFO] [stdout]     |
[INFO] [stdout] 186 |     struct Empty;
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AssociatedConst` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |     struct AssociatedConst([u8; Self::N]);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `N` is never used
[INFO] [stdout]    --> src/derive/mod.rs:191:15
[INFO] [stdout]     |
[INFO] [stdout] 190 |     impl AssociatedConst {
[INFO] [stdout]     |     -------------------- associated constant in this implementation
[INFO] [stdout] 191 |         const N: usize = 1;
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AssociatedConstTrait` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 195 |     struct AssociatedConstTrait([u8; <Self as Trait>::N]);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Trait` is never used
[INFO] [stdout]    --> src/derive/mod.rs:196:11
[INFO] [stdout]     |
[INFO] [stdout] 196 |     trait Trait {
[INFO] [stdout]     |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Indirect` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:383:20
[INFO] [stdout]     |
[INFO] [stdout] 383 |         pub struct Indirect<A>(A);
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SkipGeneric` is never constructed
[INFO] [stdout]    --> src/derive/mod.rs:385:16
[INFO] [stdout]     |
[INFO] [stdout] 385 |         struct SkipGeneric<A> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/benches_borrowed.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn bench_data2(bench_data: &[Data]) -> Vec<Data2> {
[INFO] [stdout]    |                            ^^^^^^^         ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn bench_data2(bench_data: &[Data]) -> Vec<Data2<'_>> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.56s
[INFO] running `Command { std: "docker" "inspect" "4161c77e875def19d2121db7afc6b07709763f70f88d76c9ba2eb10342580240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4161c77e875def19d2121db7afc6b07709763f70f88d76c9ba2eb10342580240", kill_on_drop: false }`
[INFO] [stdout] 4161c77e875def19d2121db7afc6b07709763f70f88d76c9ba2eb10342580240
