[INFO] fetching crate streamid 0.2.0...
[INFO] checking streamid-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate streamid 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate streamid 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate streamid 0.2.0
[INFO] finished tweaking crates.io crate streamid 0.2.0
[INFO] tweaked toml for crates.io crate streamid 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages
[INFO] [stderr]       Adding cid v0.9.0 (latest: v0.11.1)
[INFO] [stderr]       Adding cid v0.10.1 (latest: v0.11.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding libipld v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding libipld-cbor v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding libipld-cbor-derive v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding libipld-core v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding libipld-json v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding libipld-macro v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding libipld-pb v0.15.0 (latest: v0.16.0)
[INFO] [stderr]       Adding multihash v0.17.0 (latest: v0.19.1)
[INFO] [stderr]       Adding multihash v0.18.1 (latest: v0.19.1)
[INFO] [stderr]       Adding multihash-derive v0.8.1 (latest: v0.9.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (latest: v3.1.0)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libipld-macro v0.15.0
[INFO] [stderr]   Downloaded libipld-core v0.15.0
[INFO] [stderr]   Downloaded libipld-pb v0.15.0
[INFO] [stderr]   Downloaded libipld v0.15.0
[INFO] [stderr]   Downloaded libipld-cbor v0.15.0
[INFO] [stderr]   Downloaded libipld-json v0.15.0
[INFO] [stderr]   Downloaded libipld-cbor-derive v0.15.0
[INFO] [stderr]   Downloaded cid v0.9.0
[INFO] [stderr]   Downloaded cid v0.10.1
[INFO] [stderr]   Downloaded multihash v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10f0ce545da77e6ca2660da78aba1defe35ad7fba7d2d0be61e712c746ccf8cc
[INFO] running `Command { std: "docker" "start" "-a" "10f0ce545da77e6ca2660da78aba1defe35ad7fba7d2d0be61e712c746ccf8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f0ce545da77e6ca2660da78aba1defe35ad7fba7d2d0be61e712c746ccf8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f0ce545da77e6ca2660da78aba1defe35ad7fba7d2d0be61e712c746ccf8cc", kill_on_drop: false }`
[INFO] [stdout] 10f0ce545da77e6ca2660da78aba1defe35ad7fba7d2d0be61e712c746ccf8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d8b3637c46e1dd8ab7deda57f6b3e0120d23fe8b0fd759743e2f7bb99a88dfe
[INFO] running `Command { std: "docker" "start" "-a" "0d8b3637c46e1dd8ab7deda57f6b3e0120d23fe8b0fd759743e2f7bb99a88dfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking blake2s_simd v1.0.2
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling libipld-cbor-derive v0.15.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking multihash v0.17.0
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking cid v0.9.0
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking serde_plain v1.0.2
[INFO] [stderr]     Checking libipld-core v0.15.0
[INFO] [stderr]     Checking libipld-pb v0.15.0
[INFO] [stderr]     Checking libipld-cbor v0.15.0
[INFO] [stderr]     Checking libipld-macro v0.15.0
[INFO] [stderr]     Checking libipld-json v0.15.0
[INFO] [stderr]     Checking libipld v0.15.0
[INFO] [stderr]     Checking streamid v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]  --> src/commit_id.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cid::Cid;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use crate::{util, *};
[INFO] [stdout]   |                   - the item `Cid` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `util` is imported redundantly
[INFO] [stdout]  --> src/commit_id.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{util, *};
[INFO] [stdout]   |             ^^^^  - the item `util` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]   --> src/stream_id.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |     Cid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::{util, *};
[INFO] [stdout]    |                   - the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]  --> src/commit_id.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cid::Cid;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use crate::{util, *};
[INFO] [stdout]   |                   - the item `Cid` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `util` is imported redundantly
[INFO] [stdout]   --> src/stream_id.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{util, *};
[INFO] [stdout]    |             ^^^^  - the item `util` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]  --> src/stream_ref.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cid,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::{util, *};
[INFO] [stdout]   |                   - the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `util` is imported redundantly
[INFO] [stdout]  --> src/stream_ref.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{util, *};
[INFO] [stdout]   |             ^^^^  - the item `util` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `util` is imported redundantly
[INFO] [stdout]  --> src/commit_id.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{util, *};
[INFO] [stdout]   |             ^^^^  - the item `util` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]   --> src/util.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |     Cid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use crate::*;
[INFO] [stdout]    |     -------- the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]   --> src/stream_id.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |     Cid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::{util, *};
[INFO] [stdout]    |                   - the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `util` is imported redundantly
[INFO] [stdout]   --> src/stream_id.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{util, *};
[INFO] [stdout]    |             ^^^^  - the item `util` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]  --> src/stream_ref.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cid,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::{util, *};
[INFO] [stdout]   |                   - the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `util` is imported redundantly
[INFO] [stdout]  --> src/stream_ref.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{util, *};
[INFO] [stdout]   |             ^^^^  - the item `util` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]   --> src/util.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |     Cid,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use crate::*;
[INFO] [stdout]    |     -------- the item `Cid` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]  --> tests/stream_id.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cid::{multibase::decode, Cid};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout] 5 | use streamid::*;
[INFO] [stdout]   |     ----------- the item `Cid` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cid` is imported redundantly
[INFO] [stdout]  --> tests/commit_id.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cid::{multibase::decode, Cid};
[INFO] [stdout]   |                              ^^^
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout] 5 | use streamid::*;
[INFO] [stdout]   |     ----------- the item `Cid` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "0d8b3637c46e1dd8ab7deda57f6b3e0120d23fe8b0fd759743e2f7bb99a88dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8b3637c46e1dd8ab7deda57f6b3e0120d23fe8b0fd759743e2f7bb99a88dfe", kill_on_drop: false }`
[INFO] [stdout] 0d8b3637c46e1dd8ab7deda57f6b3e0120d23fe8b0fd759743e2f7bb99a88dfe