[INFO] fetching crate dsq-formats 0.2.0...
[INFO] checking dsq-formats-0.2.0 against try#2c4819a380dbddb1f2a0f4405a49fb6ed90983ae for pr-152996
[INFO] extracting crate dsq-formats 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dsq-formats 0.2.0
[INFO] finished tweaking crates.io crate dsq-formats 0.2.0
[INFO] tweaked toml for crates.io crate dsq-formats 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dsq-formats 0.2.0 on toolchain 2c4819a380dbddb1f2a0f4405a49fb6ed90983ae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dsq-formats 0.2.0 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" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc2be1f83e35f4ebe28122b817ec303b10ffe8f091cc3102ff6073039d842cd9
[INFO] running `Command { std: "docker" "start" "-a" "bc2be1f83e35f4ebe28122b817ec303b10ffe8f091cc3102ff6073039d842cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2be1f83e35f4ebe28122b817ec303b10ffe8f091cc3102ff6073039d842cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2be1f83e35f4ebe28122b817ec303b10ffe8f091cc3102ff6073039d842cd9", kill_on_drop: false }`
[INFO] [stdout] bc2be1f83e35f4ebe28122b817ec303b10ffe8f091cc3102ff6073039d842cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+2c4819a380dbddb1f2a0f4405a49fb6ed90983ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5959790b37af0e1eb22f368e9b76b278e2c1cebe7249455eec2c058130757940
[INFO] running `Command { std: "docker" "start" "-a" "5959790b37af0e1eb22f368e9b76b278e2c1cebe7249455eec2c058130757940", kill_on_drop: false }`
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[INFO] [stderr]     Checking dsq-shared v0.2.0
[INFO] [stderr]     Checking dsq-formats v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `FormatError`, and `Result`
[INFO] [stdout]   --> src/writer.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Error, FormatError, Result};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dsq_shared::value::Value`
[INFO] [stdout]   --> src/writer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use dsq_shared::value::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/writer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `FormatError`, and `Result`
[INFO] [stdout]   --> src/writer.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Error, FormatError, Result};
[INFO] [stdout]    |                    ^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dsq_shared::value::Value`
[INFO] [stdout]   --> src/writer.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use dsq_shared::value::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/writer.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `features`
[INFO] [stdout]    --> src/lib.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |         let features = BUILD_INFO.features;
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_features`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "5959790b37af0e1eb22f368e9b76b278e2c1cebe7249455eec2c058130757940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5959790b37af0e1eb22f368e9b76b278e2c1cebe7249455eec2c058130757940", kill_on_drop: false }`
[INFO] [stdout] 5959790b37af0e1eb22f368e9b76b278e2c1cebe7249455eec2c058130757940