[INFO] fetching crate progpick 0.2.0...
[INFO] checking progpick-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate progpick 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate progpick 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate progpick 0.2.0
[INFO] finished tweaking crates.io crate progpick 0.2.0
[INFO] tweaked toml for crates.io crate progpick 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate progpick 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.2.2
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded clap_derive v3.2.5
[INFO] [stderr]   Downloaded clap v3.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa8a0a2f44a41f92d4baf84a3134975e7213fc169bd6fcd87c3113b149ed1b91
[INFO] running `Command { std: "docker" "start" "-a" "aa8a0a2f44a41f92d4baf84a3134975e7213fc169bd6fcd87c3113b149ed1b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa8a0a2f44a41f92d4baf84a3134975e7213fc169bd6fcd87c3113b149ed1b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8a0a2f44a41f92d4baf84a3134975e7213fc169bd6fcd87c3113b149ed1b91", kill_on_drop: false }`
[INFO] [stdout] aa8a0a2f44a41f92d4baf84a3134975e7213fc169bd6fcd87c3113b149ed1b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09e932055acc71099f35690a54238462c0718249abf4fa38229b9a6c811f16bc
[INFO] running `Command { std: "docker" "start" "-a" "09e932055acc71099f35690a54238462c0718249abf4fa38229b9a6c811f16bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking indexmap v1.8.2
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking progpick v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `info`, `trace`, `warn`
[INFO] [stdout]  --> src/errors.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |                      ^^^^^  ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`, `trace`, `warn`
[INFO] [stdout]  --> src/errors.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use log::{debug, error, info, trace, warn};
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.41s
[INFO] running `Command { std: "docker" "inspect" "09e932055acc71099f35690a54238462c0718249abf4fa38229b9a6c811f16bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e932055acc71099f35690a54238462c0718249abf4fa38229b9a6c811f16bc", kill_on_drop: false }`
[INFO] [stdout] 09e932055acc71099f35690a54238462c0718249abf4fa38229b9a6c811f16bc
[INFO] checking progpick-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate progpick 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate progpick 0.2.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate progpick 0.2.0
[INFO] finished tweaking crates.io crate progpick 0.2.0
[INFO] tweaked toml for crates.io crate progpick 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate progpick 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9481569236a604022e3400a5153ba32d8c2700cdbb49dba0251c25eae68ad347
[INFO] running `Command { std: "docker" "start" "-a" "9481569236a604022e3400a5153ba32d8c2700cdbb49dba0251c25eae68ad347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9481569236a604022e3400a5153ba32d8c2700cdbb49dba0251c25eae68ad347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9481569236a604022e3400a5153ba32d8c2700cdbb49dba0251c25eae68ad347", kill_on_drop: false }`
[INFO] [stdout] 9481569236a604022e3400a5153ba32d8c2700cdbb49dba0251c25eae68ad347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a858941ea0b163cb2b99f97d1d109236fdd8baa8e4b33949a2acdb3f71bfdbf0
[INFO] running `Command { std: "docker" "start" "-a" "a858941ea0b163cb2b99f97d1d109236fdd8baa8e4b33949a2acdb3f71bfdbf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking shellwords v1.1.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking clap_lex v0.2.2
[INFO] [stderr]     Checking indexmap v1.8.2
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.5
[INFO] [stderr]     Checking clap v3.2.5
[INFO] [stderr]     Checking progpick v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `info`, `trace`, `warn`
[INFO] [stdout]  --> src/errors.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |                      ^^^^^  ^^^^  ^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`, `trace`, `warn`
[INFO] [stdout]  --> src/errors.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use log::{debug, error, info, trace, warn};
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.76s
[INFO] running `Command { std: "docker" "inspect" "a858941ea0b163cb2b99f97d1d109236fdd8baa8e4b33949a2acdb3f71bfdbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a858941ea0b163cb2b99f97d1d109236fdd8baa8e4b33949a2acdb3f71bfdbf0", kill_on_drop: false }`
[INFO] [stdout] a858941ea0b163cb2b99f97d1d109236fdd8baa8e4b33949a2acdb3f71bfdbf0