[INFO] fetching crate bdd 0.1.0... [INFO] testing bdd-0.1.0 against 1.59.0 for beta-1.60-1 [INFO] extracting crate bdd 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate bdd 0.1.0 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bdd 0.1.0 [INFO] finished tweaking crates.io crate bdd 0.1.0 [INFO] tweaked toml for crates.io crate bdd 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate bdd 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e4f85fe9a35a9948467b770d74f2a466c6d5132e6b503ca8d1939ef44f6e1e6 [INFO] running `Command { std: "docker" "start" "-a" "4e4f85fe9a35a9948467b770d74f2a466c6d5132e6b503ca8d1939ef44f6e1e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e4f85fe9a35a9948467b770d74f2a466c6d5132e6b503ca8d1939ef44f6e1e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e4f85fe9a35a9948467b770d74f2a466c6d5132e6b503ca8d1939ef44f6e1e6", kill_on_drop: false }` [INFO] [stdout] 4e4f85fe9a35a9948467b770d74f2a466c6d5132e6b503ca8d1939ef44f6e1e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9ba2d48e9d21f1b9f5d27f65ca62c9350adcf74470353504808aee2cd882057 [INFO] running `Command { std: "docker" "start" "-a" "e9ba2d48e9d21f1b9f5d27f65ca62c9350adcf74470353504808aee2cd882057", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling atomic-option v0.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling bus v2.2.2 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.4 [INFO] [stderr] Compiling structopt v0.3.4 [INFO] [stderr] Compiling bdd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len' [INFO] [stdout] --> src/main.rs:141:62 [INFO] [stdout] | [INFO] [stdout] 141 | while file.stream_position()? < file.stream_len()? { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #59359 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'seek_stream_len' [INFO] [stdout] --> src/main.rs:142:46 [INFO] [stdout] | [INFO] [stdout] 142 | ... let diff = (file.stream_len()? - file.stream_position()?) as usize; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #59359 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bdd` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "e9ba2d48e9d21f1b9f5d27f65ca62c9350adcf74470353504808aee2cd882057", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9ba2d48e9d21f1b9f5d27f65ca62c9350adcf74470353504808aee2cd882057", kill_on_drop: false }` [INFO] [stdout] e9ba2d48e9d21f1b9f5d27f65ca62c9350adcf74470353504808aee2cd882057