[INFO] fetching crate cshannon 0.1.1... [INFO] testing cshannon-0.1.1 against 1.60.0 for beta-1.61-1 [INFO] extracting crate cshannon 0.1.1 into /workspace/builds/worker-80/source [INFO] validating manifest of crates.io crate cshannon 0.1.1 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cshannon 0.1.1 [INFO] finished tweaking crates.io crate cshannon 0.1.1 [INFO] tweaked toml for crates.io crate cshannon 0.1.1 written to /workspace/builds/worker-80/source/Cargo.toml [INFO] crate crates.io crate cshannon 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bit-vec v0.6.1 [INFO] [stderr] Downloaded anyhow v1.0.28 [INFO] [stderr] Downloaded test_bin v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61459cf789219d4db454b741f2d29442edc8115b19848f3bc91820a48ce9f78e [INFO] running `Command { std: "docker" "start" "-a" "61459cf789219d4db454b741f2d29442edc8115b19848f3bc91820a48ce9f78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61459cf789219d4db454b741f2d29442edc8115b19848f3bc91820a48ce9f78e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61459cf789219d4db454b741f2d29442edc8115b19848f3bc91820a48ce9f78e", kill_on_drop: false }` [INFO] [stdout] 61459cf789219d4db454b741f2d29442edc8115b19848f3bc91820a48ce9f78e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] deb2fe958f50caa179943df0c5735292802e9d7665e047dfed79533f1169e1c5 [INFO] running `Command { std: "docker" "start" "-a" "deb2fe958f50caa179943df0c5735292802e9d7665e047dfed79533f1169e1c5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling anyhow v1.0.28 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling test_bin v0.3.0 [INFO] [stderr] Compiling bit-vec v0.6.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling owning_ref v0.4.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling cshannon v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(associated_type_bounds)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | #![feature(seek_convenience)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'backtrace' [INFO] [stdout] --> src/lib.rs:353:40 [INFO] [stdout] | [INFO] [stdout] 353 | format!("Backtrace: {}", e.backtrace()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53487 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cshannon` due to 6 previous errors [INFO] [stdout] error[E0277]: `Option<&Backtrace>` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/lib.rs:353:38 [INFO] [stdout] | [INFO] [stdout] 353 | format!("Backtrace: {}", e.backtrace()); [INFO] [stdout] | ^^^^^^^^^^^^^ `Option<&Backtrace>` cannot be formatted with the default formatter [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Display` is not implemented for `Option<&Backtrace>` [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] = note: this error originates in the macro `$crate::__export::format_args` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "deb2fe958f50caa179943df0c5735292802e9d7665e047dfed79533f1169e1c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deb2fe958f50caa179943df0c5735292802e9d7665e047dfed79533f1169e1c5", kill_on_drop: false }` [INFO] [stdout] deb2fe958f50caa179943df0c5735292802e9d7665e047dfed79533f1169e1c5