[INFO] fetching crate all_term 0.1.0...
[INFO] testing all_term-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate all_term 0.1.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate all_term 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate all_term 0.1.0
[INFO] finished tweaking crates.io crate all_term 0.1.0
[INFO] tweaked toml for crates.io crate all_term 0.1.0 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6094d6d4e62dc03b354f0004d4d43c4e426266351e7c2662022459148f9e8747
[INFO] running `Command { std: "docker" "start" "-a" "6094d6d4e62dc03b354f0004d4d43c4e426266351e7c2662022459148f9e8747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6094d6d4e62dc03b354f0004d4d43c4e426266351e7c2662022459148f9e8747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6094d6d4e62dc03b354f0004d4d43c4e426266351e7c2662022459148f9e8747", kill_on_drop: false }`
[INFO] [stdout] 6094d6d4e62dc03b354f0004d4d43c4e426266351e7c2662022459148f9e8747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f790329f57d63ff373005332aad255c282d034b6336c68ee0af48403e420e4
[INFO] running `Command { std: "docker" "start" "-a" "21f790329f57d63ff373005332aad255c282d034b6336c68ee0af48403e420e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling all_term v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn choose_backend() -> Box<TerminalBackend> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     backend: Box<TerminalBackend>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn with_backend(mut backend: Box<TerminalBackend>) -> Terminal {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "21f790329f57d63ff373005332aad255c282d034b6336c68ee0af48403e420e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f790329f57d63ff373005332aad255c282d034b6336c68ee0af48403e420e4", kill_on_drop: false }`
[INFO] [stdout] 21f790329f57d63ff373005332aad255c282d034b6336c68ee0af48403e420e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48db3d1ba6e79c30f2744cb49e67c8ebbfd6d645185a0c41d0e5bc2b042b1f41
[INFO] running `Command { std: "docker" "start" "-a" "48db3d1ba6e79c30f2744cb49e67c8ebbfd6d645185a0c41d0e5bc2b042b1f41", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn choose_backend() -> Box<TerminalBackend> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     backend: Box<TerminalBackend>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn with_backend(mut backend: Box<TerminalBackend>) -> Terminal {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling all_term v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn choose_backend() -> Box<TerminalBackend> {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     backend: Box<TerminalBackend>,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal.rs:57:38
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn with_backend(mut backend: Box<TerminalBackend>) -> Terminal {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "48db3d1ba6e79c30f2744cb49e67c8ebbfd6d645185a0c41d0e5bc2b042b1f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48db3d1ba6e79c30f2744cb49e67c8ebbfd6d645185a0c41d0e5bc2b042b1f41", kill_on_drop: false }`
[INFO] [stdout] 48db3d1ba6e79c30f2744cb49e67c8ebbfd6d645185a0c41d0e5bc2b042b1f41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e796b202be6c55e5ff4af77420c22d117ebb0242f0ba7486b9ae7d71b3d9fb8
[INFO] running `Command { std: "docker" "start" "-a" "1e796b202be6c55e5ff4af77420c22d117ebb0242f0ba7486b9ae7d71b3d9fb8", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/terminal.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn choose_backend() -> Box<TerminalBackend> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/terminal.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |     backend: Box<TerminalBackend>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/terminal.rs:57:38
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn with_backend(mut backend: Box<TerminalBackend>) -> Terminal {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn TerminalBackend`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `all_term` (lib) generated 3 warnings
[INFO] [stderr] warning: `all_term` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/all_term-d839703b382c4c8f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests all_term
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e796b202be6c55e5ff4af77420c22d117ebb0242f0ba7486b9ae7d71b3d9fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e796b202be6c55e5ff4af77420c22d117ebb0242f0ba7486b9ae7d71b3d9fb8", kill_on_drop: false }`
[INFO] [stdout] 1e796b202be6c55e5ff4af77420c22d117ebb0242f0ba7486b9ae7d71b3d9fb8