[INFO] fetching crate appconfig 0.1.4...
[INFO] testing appconfig-0.1.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate appconfig 0.1.4 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate appconfig 0.1.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate appconfig 0.1.4
[INFO] finished tweaking crates.io crate appconfig 0.1.4
[INFO] tweaked toml for crates.io crate appconfig 0.1.4 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f321a850024b4dbd5be218a76ccf983aa2328f81cb6820d0def1471ca5db3937
[INFO] running `Command { std: "docker" "start" "-a" "f321a850024b4dbd5be218a76ccf983aa2328f81cb6820d0def1471ca5db3937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f321a850024b4dbd5be218a76ccf983aa2328f81cb6820d0def1471ca5db3937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f321a850024b4dbd5be218a76ccf983aa2328f81cb6820d0def1471ca5db3937", kill_on_drop: false }`
[INFO] [stdout] f321a850024b4dbd5be218a76ccf983aa2328f81cb6820d0def1471ca5db3937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e54ca794b5d35c3fadc586fffacd17ea08ca4a9d8d01eed0dd19562a62c87745
[INFO] running `Command { std: "docker" "start" "-a" "e54ca794b5d35c3fadc586fffacd17ea08ca4a9d8d01eed0dd19562a62c87745", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling appconfig v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 | use std::{cell::RefCell, error::Error, ops::Deref, path::PathBuf, rc::Rc};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 18.55s
[INFO] running `Command { std: "docker" "inspect" "e54ca794b5d35c3fadc586fffacd17ea08ca4a9d8d01eed0dd19562a62c87745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54ca794b5d35c3fadc586fffacd17ea08ca4a9d8d01eed0dd19562a62c87745", kill_on_drop: false }`
[INFO] [stdout] e54ca794b5d35c3fadc586fffacd17ea08ca4a9d8d01eed0dd19562a62c87745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45e9edee0454b656ab2da5fccbcb7c2a2cc8062799bc0b7e65fca8a47834b021
[INFO] running `Command { std: "docker" "start" "-a" "45e9edee0454b656ab2da5fccbcb7c2a2cc8062799bc0b7e65fca8a47834b021", kill_on_drop: false }`
[INFO] [stderr]    Compiling appconfig v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 | use std::{cell::RefCell, error::Error, ops::Deref, path::PathBuf, rc::Rc};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]   --> src/lib.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 | use std::{cell::RefCell, error::Error, ops::Deref, path::PathBuf, rc::Rc};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 1.30s
[INFO] running `Command { std: "docker" "inspect" "45e9edee0454b656ab2da5fccbcb7c2a2cc8062799bc0b7e65fca8a47834b021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e9edee0454b656ab2da5fccbcb7c2a2cc8062799bc0b7e65fca8a47834b021", kill_on_drop: false }`
[INFO] [stdout] 45e9edee0454b656ab2da5fccbcb7c2a2cc8062799bc0b7e65fca8a47834b021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 643b1de850048ce19b604bfe1c19f204a478ee90e937d66e4e3d1c8c79e3b51c
[INFO] running `Command { std: "docker" "start" "-a" "643b1de850048ce19b604bfe1c19f204a478ee90e937d66e4e3d1c8c79e3b51c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]   --> src/lib.rs:52:26
[INFO] [stderr]    |
[INFO] [stderr] 52 | use std::{cell::RefCell, error::Error, ops::Deref, path::PathBuf, rc::Rc};
[INFO] [stderr]    |                          ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `appconfig` (lib) generated 1 warning
[INFO] [stderr] warning: `appconfig` (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/appconfig-fb269f1b7e4de459)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests appconfig
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "643b1de850048ce19b604bfe1c19f204a478ee90e937d66e4e3d1c8c79e3b51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643b1de850048ce19b604bfe1c19f204a478ee90e937d66e4e3d1c8c79e3b51c", kill_on_drop: false }`
[INFO] [stdout] 643b1de850048ce19b604bfe1c19f204a478ee90e937d66e4e3d1c8c79e3b51c