[INFO] fetching crate rusic 0.0.5...
[INFO] checking rusic-0.0.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rusic 0.0.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rusic 0.0.5 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 rusic 0.0.5
[INFO] finished tweaking crates.io crate rusic 0.0.5
[INFO] tweaked toml for crates.io crate rusic 0.0.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding numtoa v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding rusting v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding termion v1.5.6 (latest: v3.0.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded async_command v0.2.0
[INFO] [stderr]   Downloaded redox_termios v0.1.3
[INFO] [stderr]   Downloaded rusting v0.1.0
[INFO] [stderr]   Downloaded rusting v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f80fbeed9854a9b95facef60a29dd0064362b1ebfad7c921b441a34cf5acf6be
[INFO] running `Command { std: "docker" "start" "-a" "f80fbeed9854a9b95facef60a29dd0064362b1ebfad7c921b441a34cf5acf6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f80fbeed9854a9b95facef60a29dd0064362b1ebfad7c921b441a34cf5acf6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80fbeed9854a9b95facef60a29dd0064362b1ebfad7c921b441a34cf5acf6be", kill_on_drop: false }`
[INFO] [stdout] f80fbeed9854a9b95facef60a29dd0064362b1ebfad7c921b441a34cf5acf6be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 175ea7e40ce91b08b32209bcc1c9b327f1b332885129621dd6c934b621a56b8d
[INFO] running `Command { std: "docker" "start" "-a" "175ea7e40ce91b08b32209bcc1c9b327f1b332885129621dd6c934b621a56b8d", kill_on_drop: false }`
[INFO] [stderr]     Checking rusting v0.1.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking rusting v0.2.0
[INFO] [stderr]     Checking async_command v0.2.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rusic v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "175ea7e40ce91b08b32209bcc1c9b327f1b332885129621dd6c934b621a56b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175ea7e40ce91b08b32209bcc1c9b327f1b332885129621dd6c934b621a56b8d", kill_on_drop: false }`
[INFO] [stdout] 175ea7e40ce91b08b32209bcc1c9b327f1b332885129621dd6c934b621a56b8d
[INFO] checking rusic-0.0.5 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rusic 0.0.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rusic 0.0.5 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 rusic 0.0.5
[INFO] finished tweaking crates.io crate rusic 0.0.5
[INFO] tweaked toml for crates.io crate rusic 0.0.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding numtoa v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding rusting v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding termion v1.5.6 (latest: v3.0.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1fbd58ab89c398d0c2afea96b8133421ab12abefb4acec3019d95dc06d06a1c9
[INFO] running `Command { std: "docker" "start" "-a" "1fbd58ab89c398d0c2afea96b8133421ab12abefb4acec3019d95dc06d06a1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fbd58ab89c398d0c2afea96b8133421ab12abefb4acec3019d95dc06d06a1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbd58ab89c398d0c2afea96b8133421ab12abefb4acec3019d95dc06d06a1c9", kill_on_drop: false }`
[INFO] [stdout] 1fbd58ab89c398d0c2afea96b8133421ab12abefb4acec3019d95dc06d06a1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7935b9240c56d98d346c436b02b408e97e56da541bd8d0c8640aa807daec0bb2
[INFO] running `Command { std: "docker" "start" "-a" "7935b9240c56d98d346c436b02b408e97e56da541bd8d0c8640aa807daec0bb2", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking rusting v0.1.0
[INFO] [stderr]     Checking rusting v0.2.0
[INFO] [stderr]     Checking async_command v0.2.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rusic v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ascii::AsciiExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "7935b9240c56d98d346c436b02b408e97e56da541bd8d0c8640aa807daec0bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7935b9240c56d98d346c436b02b408e97e56da541bd8d0c8640aa807daec0bb2", kill_on_drop: false }`
[INFO] [stdout] 7935b9240c56d98d346c436b02b408e97e56da541bd8d0c8640aa807daec0bb2