[INFO] fetching crate trail-config 0.1.3...
[INFO] testing trail-config-0.1.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate trail-config 0.1.3 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate trail-config 0.1.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trail-config 0.1.3
[INFO] finished tweaking crates.io crate trail-config 0.1.3
[INFO] tweaked toml for crates.io crate trail-config 0.1.3 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeb9b988fcea11411f4672709041027d17aa085f70eb066803f683f99d523f64
[INFO] running `Command { std: "docker" "start" "-a" "eeb9b988fcea11411f4672709041027d17aa085f70eb066803f683f99d523f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb9b988fcea11411f4672709041027d17aa085f70eb066803f683f99d523f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb9b988fcea11411f4672709041027d17aa085f70eb066803f683f99d523f64", kill_on_drop: false }`
[INFO] [stdout] eeb9b988fcea11411f4672709041027d17aa085f70eb066803f683f99d523f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab0a6c5723a78ae48d2330ea482f9b64f7644087f77c617d4f20d1242818b0b6
[INFO] running `Command { std: "docker" "start" "-a" "ab0a6c5723a78ae48d2330ea482f9b64f7644087f77c617d4f20d1242818b0b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling trail-config v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     filename: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "ab0a6c5723a78ae48d2330ea482f9b64f7644087f77c617d4f20d1242818b0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0a6c5723a78ae48d2330ea482f9b64f7644087f77c617d4f20d1242818b0b6", kill_on_drop: false }`
[INFO] [stdout] ab0a6c5723a78ae48d2330ea482f9b64f7644087f77c617d4f20d1242818b0b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0aba9431a89b11eb2fc93ee64110a72d7d3dc02b4df877c6dd2552b31362f10
[INFO] running `Command { std: "docker" "start" "-a" "a0aba9431a89b11eb2fc93ee64110a72d7d3dc02b4df877c6dd2552b31362f10", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     filename: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling trail-config v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `filename`
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     filename: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a0aba9431a89b11eb2fc93ee64110a72d7d3dc02b4df877c6dd2552b31362f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0aba9431a89b11eb2fc93ee64110a72d7d3dc02b4df877c6dd2552b31362f10", kill_on_drop: false }`
[INFO] [stdout] a0aba9431a89b11eb2fc93ee64110a72d7d3dc02b4df877c6dd2552b31362f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43058c364597298edd6ccd0ba62e2185121b036bed4bc4f81a4f69dc136ee3cd
[INFO] running `Command { std: "docker" "start" "-a" "43058c364597298edd6ccd0ba62e2185121b036bed4bc4f81a4f69dc136ee3cd", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `filename`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     filename: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trail-config` (lib) generated 1 warning
[INFO] [stderr] warning: `trail-config` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trail_config-7a254443c964b44a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trail_config
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43058c364597298edd6ccd0ba62e2185121b036bed4bc4f81a4f69dc136ee3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43058c364597298edd6ccd0ba62e2185121b036bed4bc4f81a4f69dc136ee3cd", kill_on_drop: false }`
[INFO] [stdout] 43058c364597298edd6ccd0ba62e2185121b036bed4bc4f81a4f69dc136ee3cd