[INFO] fetching crate holo_hash 0.2.3...
[INFO] checking holo_hash-0.2.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate holo_hash 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate holo_hash 0.2.3 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] started tweaking crates.io crate holo_hash 0.2.3
[INFO] finished tweaking crates.io crate holo_hash 0.2.3
[INFO] tweaked toml for crates.io crate holo_hash 0.2.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 265 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
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[INFO] [stderr]       Adding cargo-platform v0.1.3 (latest: v0.1.8)
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[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
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[INFO] [stderr]       Adding cranelift-bforest v0.82.3 (latest: v0.106.1)
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[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.8)
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[INFO] [stderr]       Adding enum-iterator v0.7.0 (latest: v2.0.0)
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[INFO] [stderr]       Adding holochain_serialized_bytes v0.0.51 (latest: v0.0.53)
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[INFO] [stderr]       Adding holochain_wasmer_common v0.0.84 (latest: v0.0.92)
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[INFO] [stderr]       Adding libloading v0.7.4 (latest: v0.8.3)
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[INFO] [stderr]       Adding memmap2 v0.5.10 (latest: v0.9.4)
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[INFO] [stderr]       Adding test-fuzz-runtime v3.0.4 (latest: v5.0.0)
[INFO] [stderr]       Adding toolchain_find v0.2.0 (latest: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
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[INFO] [stderr]       Adding wasmer-derive v2.3.0 (latest: v4.2.7)
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[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded intervallum v1.4.1
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[INFO] [stderr]   Downloaded holochain_util v0.2.6
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[INFO] [stderr]   Downloaded holochain_serialized_bytes_derive v0.0.51
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[INFO] [stderr]   Downloaded region v3.0.2
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[INFO] [stderr]   Downloaded holochain_serialized_bytes v0.0.53
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[INFO] [stderr]   Downloaded serde_json v1.0.109
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[INFO] [stderr]   Downloaded windows_i686_msvc v0.33.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.33.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.33.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.82.3
[INFO] [stderr]   Downloaded wasmer-compiler-cranelift v2.3.0
[INFO] [stderr]   Downloaded corosensei v0.1.4
[INFO] [stderr]   Downloaded rmp-serde v0.15.5
[INFO] [stderr]   Downloaded cranelift-entity v0.82.3
[INFO] [stderr]   Downloaded cranelift-frontend v0.82.3
[INFO] [stderr]   Downloaded wasmer-engine-dylib v2.3.0
[INFO] [stderr]   Downloaded wasmer-artifact v2.3.0
[INFO] [stderr]   Downloaded wasmer-types v2.3.0
[INFO] [stderr]   Downloaded windows-sys v0.33.0
[INFO] [stderr]   Downloaded wasmer-engine v2.3.0
[INFO] [stderr]   Downloaded holochain_wasmer_common v0.0.84
[INFO] [stderr]   Downloaded toolchain_find v0.2.0
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded test-fuzz-internal v3.0.4
[INFO] [stderr]   Downloaded test-fuzz v3.0.4
[INFO] [stderr]   Downloaded trilean v1.1.0
[INFO] [stderr]   Downloaded wasmer-compiler v2.3.0
[INFO] [stderr]   Downloaded enum-iterator 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b9ef4042b4a7f9696b54c1845158a8c84cdf9b1e26ce38e34183354b7ce61f
[INFO] running `Command { std: "docker" "start" "-a" "37b9ef4042b4a7f9696b54c1845158a8c84cdf9b1e26ce38e34183354b7ce61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b9ef4042b4a7f9696b54c1845158a8c84cdf9b1e26ce38e34183354b7ce61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b9ef4042b4a7f9696b54c1845158a8c84cdf9b1e26ce38e34183354b7ce61f", kill_on_drop: false }`
[INFO] [stdout] 37b9ef4042b4a7f9696b54c1845158a8c84cdf9b1e26ce38e34183354b7ce61f
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68f54d650b1ad2b05cc31b630e7134f8d97695949d8e54e9057982a768b9fb0
[INFO] running `Command { std: "docker" "start" "-a" "d68f54d650b1ad2b05cc31b630e7134f8d97695949d8e54e9057982a768b9fb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling target-lexicon v0.12.14
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[INFO] [stderr]     Checking object v0.32.2
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[INFO] [stderr]    Compiling semver v1.0.20
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[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.82.3
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[INFO] [stderr]     Checking wasmer-engine-universal v2.3.0
[INFO] [stderr]     Checking wasmer-engine-dylib v2.3.0
[INFO] [stderr]     Checking cranelift-frontend v0.82.3
[INFO] [stderr]     Checking wasmer v2.3.0
[INFO] [stderr]     Checking holochain_wasmer_common v0.0.84
[INFO] [stderr]     Checking holo_hash v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/hash_type/composite.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use holochain_serialized_bytes::prelude::*;
[INFO] [stdout]   |     -------------------------------------- the item `TryInto` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/hash_type/primitive.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/hash_type/composite.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use holochain_serialized_bytes::prelude::*;
[INFO] [stdout]   |     -------------------------------------- the item `TryInto` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/hash_type/primitive.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]    --> src/ser.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use holochain_serialized_bytes::prelude::*;
[INFO] [stdout]     |         -------------------------------------- the item `TryInto` is already imported here
[INFO] [stdout] 112 |     use std::convert::TryInto;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.83s
[INFO] running `Command { std: "docker" "inspect" "d68f54d650b1ad2b05cc31b630e7134f8d97695949d8e54e9057982a768b9fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68f54d650b1ad2b05cc31b630e7134f8d97695949d8e54e9057982a768b9fb0", kill_on_drop: false }`
[INFO] [stdout] d68f54d650b1ad2b05cc31b630e7134f8d97695949d8e54e9057982a768b9fb0