[INFO] fetching crate trace-error 0.1.5...
[INFO] checking trace-error-0.1.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate trace-error 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate trace-error 0.1.5 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trace-error 0.1.5
[INFO] finished tweaking crates.io crate trace-error 0.1.5
[INFO] tweaked toml for crates.io crate trace-error 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 13 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] febe012711fe3a6d523321c8b36ae22ff1a6aaf418b00907a201fb750817fbdc
[INFO] running `Command { std: "docker" "start" "-a" "febe012711fe3a6d523321c8b36ae22ff1a6aaf418b00907a201fb750817fbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "febe012711fe3a6d523321c8b36ae22ff1a6aaf418b00907a201fb750817fbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "febe012711fe3a6d523321c8b36ae22ff1a6aaf418b00907a201fb750817fbdc", kill_on_drop: false }`
[INFO] [stdout] febe012711fe3a6d523321c8b36ae22ff1a6aaf418b00907a201fb750817fbdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e7de99e1f728fa9a5805c005492f80f216abf81e69f32726628faa4cdf2dd94
[INFO] running `Command { std: "docker" "start" "-a" "1e7de99e1f728fa9a5805c005492f80f216abf81e69f32726628faa4cdf2dd94", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking trace-error v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/basic.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         write!(f, "{}", self.description())
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/basic.rs:30:45
[INFO] [stdout]    |
[INFO] [stdout] 30 |             MyErrorType::Io(ref err) => err.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "1e7de99e1f728fa9a5805c005492f80f216abf81e69f32726628faa4cdf2dd94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7de99e1f728fa9a5805c005492f80f216abf81e69f32726628faa4cdf2dd94", kill_on_drop: false }`
[INFO] [stdout] 1e7de99e1f728fa9a5805c005492f80f216abf81e69f32726628faa4cdf2dd94