[INFO] fetching crate avro-rs 0.13.0...
[INFO] checking avro-rs-0.13.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate avro-rs 0.13.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate avro-rs 0.13.0 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 avro-rs 0.13.0
[INFO] finished tweaking crates.io crate avro-rs 0.13.0
[INFO] tweaked toml for crates.io crate avro-rs 0.13.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate avro-rs 0.13.0 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 }`
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[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] 6e59d723c056bbf7e77cd447b4b53ad30f66c95214c2d632a8572a2fed34826f
[INFO] running `Command { std: "docker" "start" "-a" "6e59d723c056bbf7e77cd447b4b53ad30f66c95214c2d632a8572a2fed34826f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e59d723c056bbf7e77cd447b4b53ad30f66c95214c2d632a8572a2fed34826f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e59d723c056bbf7e77cd447b4b53ad30f66c95214c2d632a8572a2fed34826f", kill_on_drop: false }`
[INFO] [stdout] 6e59d723c056bbf7e77cd447b4b53ad30f66c95214c2d632a8572a2fed34826f
[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] 906d1a490da67ce8c1409e6607cfd97301f12e60752c6948e9f308122d601173
[INFO] running `Command { std: "docker" "start" "-a" "906d1a490da67ce8c1409e6607cfd97301f12e60752c6948e9f308122d601173", kill_on_drop: false }`
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[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/io.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |             format!("value {:?} does not validate schema: {}", value, raw_schema)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 88 -             format!("value {:?} does not validate schema: {}", value, raw_schema)
[INFO] [stdout] 88 +             "value {:?} does not validate schema: {}", value, raw_schema
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> tests/schema.rs:1156:13
[INFO] [stdout]      |
[INFO] [stdout] 1156 |             e.to_string()
[INFO] [stdout]      |             ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]      = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]      |
[INFO] [stdout] 1156 |             "{}", e.to_string()
[INFO] [stdout]      |             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Reader` is imported redundantly
[INFO] [stdout]    --> src/reader.rs:290:32
[INFO] [stdout]     |
[INFO] [stdout] 289 |     use super::*;
[INFO] [stdout]     |         -------- the item `Reader` is already imported here
[INFO] [stdout] 290 |     use crate::{types::Record, Reader};
[INFO] [stdout]     |                                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Decimal` is imported redundantly
[INFO] [stdout]    --> src/types.rs:748:9
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `Decimal` is already imported here
[INFO] [stdout] 747 |     use crate::{
[INFO] [stdout] 748 |         decimal::Decimal,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/types.rs:749:26
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 749 |         duration::{Days, Duration, Millis, Months},
[INFO] [stdout]     |                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RecordField` is imported redundantly
[INFO] [stdout]    --> src/types.rs:750:24
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `RecordField` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 750 |         schema::{Name, RecordField, RecordFieldOrder, Schema, UnionSchema},
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Schema` is imported redundantly
[INFO] [stdout]    --> src/types.rs:750:55
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `Schema` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 750 |         schema::{Name, RecordField, RecordFieldOrder, Schema, UnionSchema},
[INFO] [stdout]     |                                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UnionSchema` is imported redundantly
[INFO] [stdout]    --> src/types.rs:750:63
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `UnionSchema` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 750 |         schema::{Name, RecordField, RecordFieldOrder, Schema, UnionSchema},
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]    --> src/types.rs:751:9
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `Value` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 751 |         types::Value,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Uuid` is imported redundantly
[INFO] [stdout]    --> src/types.rs:753:9
[INFO] [stdout]     |
[INFO] [stdout] 746 |     use super::*;
[INFO] [stdout]     |         -------- the item `Uuid` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 753 |     use uuid::Uuid;
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "906d1a490da67ce8c1409e6607cfd97301f12e60752c6948e9f308122d601173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906d1a490da67ce8c1409e6607cfd97301f12e60752c6948e9f308122d601173", kill_on_drop: false }`
[INFO] [stdout] 906d1a490da67ce8c1409e6607cfd97301f12e60752c6948e9f308122d601173