[INFO] fetching crate ipld 0.0.2...
[INFO] checking ipld-0.0.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate ipld 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ipld 0.0.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipld 0.0.2
[INFO] finished tweaking crates.io crate ipld 0.0.2
[INFO] tweaked toml for crates.io crate ipld 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding base64 v0.10.1 (latest: v0.22.0)
[INFO] [stderr]       Adding blake2b_simd v0.5.11 (latest: v1.0.2)
[INFO] [stderr]       Adding blake2s_simd v0.5.11 (latest: v1.0.2)
[INFO] [stderr]       Adding block-buffer v0.3.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding byte-tools v0.2.0 (latest: v0.3.1)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cid v0.3.2 (latest: v0.11.1)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding digest v0.7.6 (latest: v0.10.7)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.9.1 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding integer-encoding v1.1.7 (latest: v4.0.0)
[INFO] [stderr]       Adding multibase v0.7.0 (latest: v0.9.1)
[INFO] [stderr]       Adding multibase v0.8.0 (latest: v0.9.1)
[INFO] [stderr]       Adding multihash v0.9.4 (latest: v0.19.1)
[INFO] [stderr]       Adding multihash v0.10.1 (latest: v0.19.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding sha-1 v0.8.2 (latest: v0.10.1)
[INFO] [stderr]       Adding sha1 v0.5.0 (latest: v0.10.6)
[INFO] [stderr]       Adding sha2 v0.7.1 (latest: v0.10.8)
[INFO] [stderr]       Adding sha2 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding sha3 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding tiny-keccak v1.5.0 (latest: v2.0.2)
[INFO] [stderr]       Adding unsigned-varint v0.3.3 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded multihash v0.9.4
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded integer-encoding v1.1.7
[INFO] [stderr]   Downloaded multihash v0.10.1
[INFO] [stderr]   Downloaded cid v0.3.2
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded multibase v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f72f9ade35c3765d7465010fc39bce12ac0360368a84a358a9de48625bdb0e09
[INFO] running `Command { std: "docker" "start" "-a" "f72f9ade35c3765d7465010fc39bce12ac0360368a84a358a9de48625bdb0e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72f9ade35c3765d7465010fc39bce12ac0360368a84a358a9de48625bdb0e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72f9ade35c3765d7465010fc39bce12ac0360368a84a358a9de48625bdb0e09", kill_on_drop: false }`
[INFO] [stdout] f72f9ade35c3765d7465010fc39bce12ac0360368a84a358a9de48625bdb0e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11886080f0de44c89dfe854a97fe1079af802b41fc7731fd25e05828d20bc14e
[INFO] running `Command { std: "docker" "start" "-a" "11886080f0de44c89dfe854a97fe1079af802b41fc7731fd25e05828d20bc14e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking multibase v0.7.0
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking multihash v0.10.1
[INFO] [stderr]     Checking multihash v0.9.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cid v0.3.2
[INFO] [stderr]     Checking ipld v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dag`
[INFO] [stdout]   --> src/codec.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/codec.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/codec.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dag`
[INFO] [stdout]   --> src/codec.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_dag`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]   --> src/codec.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write<S, W>(dag: &S, writer: W) -> Result<(), Self::Error>
[INFO] [stdout]    |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]   --> src/codec.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn read<D, R>(reader: R) -> Result<D, Self::Error>
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `async_std`
[INFO] [stdout]  --> benches/store.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::task::{block_on, sleep};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `async_std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]  --> benches/store.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libipld::block::create_raw_block;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]  --> benches/store.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libipld::error::Result;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `libipld`
[INFO] [stdout]  --> benches/store.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use libipld::store::{BufStore, MemStore, Store};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `criterion`
[INFO] [stdout]  --> benches/store.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `criterion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `libipld`
[INFO] [stdout]  --> benches/store.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libipld::{Cid, DefaultHash as H};
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `libipld`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipld` (bench "store") due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "11886080f0de44c89dfe854a97fe1079af802b41fc7731fd25e05828d20bc14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11886080f0de44c89dfe854a97fe1079af802b41fc7731fd25e05828d20bc14e", kill_on_drop: false }`
[INFO] [stdout] 11886080f0de44c89dfe854a97fe1079af802b41fc7731fd25e05828d20bc14e