[INFO] fetching crate zproto 0.3.4...
[INFO] checking zproto-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate zproto 0.3.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate zproto 0.3.4 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 zproto 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zproto 0.3.4
[INFO] tweaked toml for crates.io crate zproto 0.3.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate zproto 0.3.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] [stderr]   Downloaded rustix v0.37.24
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0308f5c946d8f615d312e5d103eadafc3fa64fcd72377379bfeacb0df078169
[INFO] running `Command { std: "docker" "start" "-a" "e0308f5c946d8f615d312e5d103eadafc3fa64fcd72377379bfeacb0df078169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0308f5c946d8f615d312e5d103eadafc3fa64fcd72377379bfeacb0df078169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0308f5c946d8f615d312e5d103eadafc3fa64fcd72377379bfeacb0df078169", kill_on_drop: false }`
[INFO] [stdout] e0308f5c946d8f615d312e5d103eadafc3fa64fcd72377379bfeacb0df078169
[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=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] 6cbd393dc81b04fb7ea1c83396e938d9db6babaedd7e81638703557b9dcf9d13
[INFO] running `Command { std: "docker" "start" "-a" "6cbd393dc81b04fb7ea1c83396e938d9db6babaedd7e81638703557b9dcf9d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stderr]     Checking simple_logger v4.2.0
[INFO] [stderr]     Checking zproto v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/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 `Reply` is imported redundantly
[INFO] [stdout]    --> src/ascii/response/check.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 674 |     use super::*;
[INFO] [stdout]     |         -------- the item `Reply` is already imported here
[INFO] [stdout] 675 |     use crate::ascii::{parse::Packet, Reply};
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.67s
[INFO] running `Command { std: "docker" "inspect" "6cbd393dc81b04fb7ea1c83396e938d9db6babaedd7e81638703557b9dcf9d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbd393dc81b04fb7ea1c83396e938d9db6babaedd7e81638703557b9dcf9d13", kill_on_drop: false }`
[INFO] [stdout] 6cbd393dc81b04fb7ea1c83396e938d9db6babaedd7e81638703557b9dcf9d13
[INFO] checking zproto-0.3.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate zproto 0.3.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate zproto 0.3.4 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 zproto 0.3.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zproto 0.3.4
[INFO] tweaked toml for crates.io crate zproto 0.3.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate zproto 0.3.4 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 208dc5894362ad3d042f2fc5ea12f93c8c3109b06e97d5571108b683d77625d1
[INFO] running `Command { std: "docker" "start" "-a" "208dc5894362ad3d042f2fc5ea12f93c8c3109b06e97d5571108b683d77625d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "208dc5894362ad3d042f2fc5ea12f93c8c3109b06e97d5571108b683d77625d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208dc5894362ad3d042f2fc5ea12f93c8c3109b06e97d5571108b683d77625d1", kill_on_drop: false }`
[INFO] [stdout] 208dc5894362ad3d042f2fc5ea12f93c8c3109b06e97d5571108b683d77625d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bee3a8a2ddddd03be6e750453ad5fdfc19e06585d9d3fa5669f9550fe02a26ac
[INFO] running `Command { std: "docker" "start" "-a" "bee3a8a2ddddd03be6e750453ad5fdfc19e06585d9d3fa5669f9550fe02a26ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking zproto v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/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] [stderr]     Checking simple_logger v4.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking basic-toml v0.1.4
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/ascii/port.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     convert::TryFrom,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/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 `Reply` is imported redundantly
[INFO] [stdout]    --> src/ascii/response/check.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 674 |     use super::*;
[INFO] [stdout]     |         -------- the item `Reply` is already imported here
[INFO] [stdout] 675 |     use crate::ascii::{parse::Packet, Reply};
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.12s
[INFO] running `Command { std: "docker" "inspect" "bee3a8a2ddddd03be6e750453ad5fdfc19e06585d9d3fa5669f9550fe02a26ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bee3a8a2ddddd03be6e750453ad5fdfc19e06585d9d3fa5669f9550fe02a26ac", kill_on_drop: false }`
[INFO] [stdout] bee3a8a2ddddd03be6e750453ad5fdfc19e06585d9d3fa5669f9550fe02a26ac