[INFO] fetching crate z80emu 0.9.0...
[INFO] checking z80emu-0.9.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate z80emu 0.9.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate z80emu 0.9.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate z80emu 0.9.0
[INFO] finished tweaking crates.io crate z80emu 0.9.0
[INFO] tweaked toml for crates.io crate z80emu 0.9.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate z80emu 0.9.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.11.2
[INFO] [stderr]   Downloaded pancurses v0.17.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c01ffa72582f5e569ebea936e85d90570af3bd3897ddb1ccb74eb735f128d812
[INFO] running `Command { std: "docker" "start" "-a" "c01ffa72582f5e569ebea936e85d90570af3bd3897ddb1ccb74eb735f128d812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c01ffa72582f5e569ebea936e85d90570af3bd3897ddb1ccb74eb735f128d812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01ffa72582f5e569ebea936e85d90570af3bd3897ddb1ccb74eb735f128d812", kill_on_drop: false }`
[INFO] [stdout] c01ffa72582f5e569ebea936e85d90570af3bd3897ddb1ccb74eb735f128d812
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7facb205a75faa90ac13dbbca804746fc6a72105cee00d6164d359a077cf688d
[INFO] running `Command { std: "docker" "start" "-a" "7facb205a75faa90ac13dbbca804746fc6a72105cee00d6164d359a077cf688d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking pancurses v0.17.0
[INFO] [stderr]     Checking simplelog v0.11.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking z80emu v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/cpu/parse.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rot` is imported redundantly
[INFO] [stdout]   --> src/z80/internal.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 9  | use super::*;
[INFO] [stdout]    |     -------- the item `Rot` is already imported here
[INFO] [stdout] 10 | use crate::{NMI_RESTART, Rot};
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/cpu/parse.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rot` is imported redundantly
[INFO] [stdout]   --> src/z80/internal.rs:10:26
[INFO] [stdout]    |
[INFO] [stdout] 9  | use super::*;
[INFO] [stdout]    |     -------- the item `Rot` is already imported here
[INFO] [stdout] 10 | use crate::{NMI_RESTART, Rot};
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Z80` is imported redundantly
[INFO] [stdout]    --> src/z80/flavours.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |     use super::*;
[INFO] [stdout]     |         -------- the item `Z80` is already imported here
[INFO] [stdout] 233 |     use crate::z80::Z80;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "7facb205a75faa90ac13dbbca804746fc6a72105cee00d6164d359a077cf688d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7facb205a75faa90ac13dbbca804746fc6a72105cee00d6164d359a077cf688d", kill_on_drop: false }`
[INFO] [stdout] 7facb205a75faa90ac13dbbca804746fc6a72105cee00d6164d359a077cf688d