[INFO] fetching crate epserde 0.3.0...
[INFO] checking epserde-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate epserde 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate epserde 0.3.0 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] started tweaking crates.io crate epserde 0.3.0
[INFO] finished tweaking crates.io crate epserde 0.3.0
[INFO] tweaked toml for crates.io crate epserde 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate epserde 0.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysctl v0.5.5
[INFO] [stderr]   Downloaded xxhash-rust v0.8.7
[INFO] [stderr]   Downloaded epserde-derive v0.3.0
[INFO] [stderr]   Downloaded mmap-rs v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5a4591f3b4e6f6df94b6884b135f6d9721c779af908194f6fd309bc2da4a8c7e
[INFO] running `Command { std: "docker" "start" "-a" "5a4591f3b4e6f6df94b6884b135f6d9721c779af908194f6fd309bc2da4a8c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a4591f3b4e6f6df94b6884b135f6d9721c779af908194f6fd309bc2da4a8c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a4591f3b4e6f6df94b6884b135f6d9721c779af908194f6fd309bc2da4a8c7e", kill_on_drop: false }`
[INFO] [stdout] 5a4591f3b4e6f6df94b6884b135f6d9721c779af908194f6fd309bc2da4a8c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7fd691d5e5bfd88d6c2efbe5fc9e9dd141ddf94d39cd5e6719e99fd9509a046e
[INFO] running `Command { std: "docker" "start" "-a" "7fd691d5e5bfd88d6c2efbe5fc9e9dd141ddf94d39cd5e6719e99fd9509a046e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking xxhash-rust v0.8.7
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling epserde-derive v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking sysctl v0.5.5
[INFO] [stderr]     Checking mmap-rs v0.5.0
[INFO] [stderr]     Checking epserde v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `DeserializeInner` is imported redundantly
[INFO] [stdout]   --> src/impls/tuple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::deser::DeserializeInner;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `DeserializeInner` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeHash` is imported redundantly
[INFO] [stdout]   --> src/impls/tuple.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `TypeHash` is already imported here
[INFO] [stdout] 19 | use crate::traits::TypeHash;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DeserializeInner` is imported redundantly
[INFO] [stdout]   --> src/impls/tuple.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::deser::DeserializeInner;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `DeserializeInner` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypeHash` is imported redundantly
[INFO] [stdout]   --> src/impls/tuple.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `TypeHash` is already imported here
[INFO] [stdout] 19 | use crate::traits::TypeHash;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "7fd691d5e5bfd88d6c2efbe5fc9e9dd141ddf94d39cd5e6719e99fd9509a046e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd691d5e5bfd88d6c2efbe5fc9e9dd141ddf94d39cd5e6719e99fd9509a046e", kill_on_drop: false }`
[INFO] [stdout] 7fd691d5e5bfd88d6c2efbe5fc9e9dd141ddf94d39cd5e6719e99fd9509a046e