[INFO] fetching crate least 0.2.0...
[INFO] testing least-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate least 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate least 0.2.0
[INFO] finished tweaking crates.io crate least 0.2.0
[INFO] tweaked toml for crates.io crate least 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate least 0.2.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate least 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3ea303443e3eaec45675fa211963fadb01b1609aca9135651dd61808933ff6c
[INFO] running `Command { std: "docker" "start" "-a" "b3ea303443e3eaec45675fa211963fadb01b1609aca9135651dd61808933ff6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3ea303443e3eaec45675fa211963fadb01b1609aca9135651dd61808933ff6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3ea303443e3eaec45675fa211963fadb01b1609aca9135651dd61808933ff6c", kill_on_drop: false }`
[INFO] [stdout] b3ea303443e3eaec45675fa211963fadb01b1609aca9135651dd61808933ff6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd01c893d50eb08d361f4c805944cd6ceae692707cbf1c6b81d248a1028e7cc3
[INFO] running `Command { std: "docker" "start" "-a" "fd01c893d50eb08d361f4c805944cd6ceae692707cbf1c6b81d248a1028e7cc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling least v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/main.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |                  .author(clap::crate_authors!(", "))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stdout]   --> src/main.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |                  .author(clap::crate_authors!(", "))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stdout]    |
[INFO] [stdout] 493|                     &(&(*VALUE))[..]
[INFO] [stdout]    |                      ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "fd01c893d50eb08d361f4c805944cd6ceae692707cbf1c6b81d248a1028e7cc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd01c893d50eb08d361f4c805944cd6ceae692707cbf1c6b81d248a1028e7cc3", kill_on_drop: false }`
[INFO] [stdout] fd01c893d50eb08d361f4c805944cd6ceae692707cbf1c6b81d248a1028e7cc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bc2a8c7da39bd66478f6de678031b97a5e30ee8e46ef32a5be4aac8aee9dd06
[INFO] running `Command { std: "docker" "start" "-a" "7bc2a8c7da39bd66478f6de678031b97a5e30ee8e46ef32a5be4aac8aee9dd06", kill_on_drop: false }`
[INFO] [stderr]    Compiling least v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/main.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |                  .author(clap::crate_authors!(", "))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stdout]   --> src/main.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |                  .author(clap::crate_authors!(", "))
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stdout]    |
[INFO] [stdout] 493|                     &(&(*VALUE))[..]
[INFO] [stdout]    |                      ++        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7bc2a8c7da39bd66478f6de678031b97a5e30ee8e46ef32a5be4aac8aee9dd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc2a8c7da39bd66478f6de678031b97a5e30ee8e46ef32a5be4aac8aee9dd06", kill_on_drop: false }`
[INFO] [stdout] 7bc2a8c7da39bd66478f6de678031b97a5e30ee8e46ef32a5be4aac8aee9dd06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8518b3198ab53358cbb61e1df057ad4fc59baf5f104eb4d7378a535144452043
[INFO] running `Command { std: "docker" "start" "-a" "8518b3198ab53358cbb61e1df057ad4fc59baf5f104eb4d7378a535144452043", kill_on_drop: false }`
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/main.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |                  .author(clap::crate_authors!(", "))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ this raw pointer has type `*const String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&String`
[INFO] [stderr]   --> src/main.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |                  .author(clap::crate_authors!(", "))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `clap::crate_authors` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/clap-2.33.3/src/macros.rs:493:22
[INFO] [stderr]    |
[INFO] [stderr] 493|                     &(&(*VALUE))[..]
[INFO] [stderr]    |                      ++        +
[INFO] [stderr] 
[INFO] [stderr] warning: `least` (bin "least" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/least-2a8c8d9b862c2b50)
[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" "8518b3198ab53358cbb61e1df057ad4fc59baf5f104eb4d7378a535144452043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8518b3198ab53358cbb61e1df057ad4fc59baf5f104eb4d7378a535144452043", kill_on_drop: false }`
[INFO] [stdout] 8518b3198ab53358cbb61e1df057ad4fc59baf5f104eb4d7378a535144452043