[INFO] fetching crate screen_printer 0.2.7...
[INFO] checking screen_printer-0.2.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate screen_printer 0.2.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate screen_printer 0.2.7 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 screen_printer 0.2.7
[INFO] finished tweaking crates.io crate screen_printer 0.2.7
[INFO] tweaked toml for crates.io crate screen_printer 0.2.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate screen_printer 0.2.7 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 termion v2.0.1
[INFO] [stderr]   Downloaded serde v1.0.176
[INFO] [stderr]   Downloaded serde_derive v1.0.176
[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] 1b693c12b0e12a4889143f5cbba56fcbbb6d804163af09703f3128d84640e17f
[INFO] running `Command { std: "docker" "start" "-a" "1b693c12b0e12a4889143f5cbba56fcbbb6d804163af09703f3128d84640e17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b693c12b0e12a4889143f5cbba56fcbbb6d804163af09703f3128d84640e17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b693c12b0e12a4889143f5cbba56fcbbb6d804163af09703f3128d84640e17f", kill_on_drop: false }`
[INFO] [stdout] 1b693c12b0e12a4889143f5cbba56fcbbb6d804163af09703f3128d84640e17f
[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] cf0e3691ad54d9fa4db1cc686d99625ff05c18293c9546feddd64812ac01151c
[INFO] running `Command { std: "docker" "start" "-a" "cf0e3691ad54d9fa4db1cc686d99625ff05c18293c9546feddd64812ac01151c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.176
[INFO] [stderr]    Compiling serde_derive v1.0.176
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking destructure_traitobject v0.2.0
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking thread-id v4.1.0
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking screen_printer v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `move_to_origin` is never used
[INFO] [stdout]    --> src/dynamic_printer.rs:156:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | trait DynamicPrinterMethods {
[INFO] [stdout]     |       --------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 156 |   fn move_to_origin(&self) -> Result<(), PrintingError>;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VecMethods` is never used
[INFO] [stdout]    --> src/dynamic_printer.rs:360:7
[INFO] [stdout]     |
[INFO] [stdout] 360 | trait VecMethods<T> {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log4rs v1.2.0
[INFO] [stdout] warning: method `move_to_origin` is never used
[INFO] [stdout]    --> src/dynamic_printer.rs:156:6
[INFO] [stdout]     |
[INFO] [stdout] 141 | trait DynamicPrinterMethods {
[INFO] [stdout]     |       --------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 156 |   fn move_to_origin(&self) -> Result<(), PrintingError>;
[INFO] [stdout]     |      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VecMethods` is never used
[INFO] [stdout]    --> src/dynamic_printer.rs:360:7
[INFO] [stdout]     |
[INFO] [stdout] 360 | trait VecMethods<T> {
[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 12.62s
[INFO] running `Command { std: "docker" "inspect" "cf0e3691ad54d9fa4db1cc686d99625ff05c18293c9546feddd64812ac01151c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0e3691ad54d9fa4db1cc686d99625ff05c18293c9546feddd64812ac01151c", kill_on_drop: false }`
[INFO] [stdout] cf0e3691ad54d9fa4db1cc686d99625ff05c18293c9546feddd64812ac01151c