[INFO] cloning repository https://github.com/nreinhardt/rusty-backup [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nreinhardt/rusty-backup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnreinhardt%2Frusty-backup", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnreinhardt%2Frusty-backup'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d9dbd2fe304182fba216a60b85a659e88e0da92e [INFO] testing nreinhardt/rusty-backup against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnreinhardt%2Frusty-backup" "/workspace/builds/worker-18/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nreinhardt/rusty-backup on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nreinhardt/rusty-backup [INFO] finished tweaking git repo https://github.com/nreinhardt/rusty-backup [INFO] tweaked toml for git repo https://github.com/nreinhardt/rusty-backup written to /workspace/builds/worker-18/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52c3265f8584a6287ef60b308e74b9c5d976cdad6a899bca29fa4a71b91468f3 [INFO] running `Command { std: "docker" "start" "-a" "52c3265f8584a6287ef60b308e74b9c5d976cdad6a899bca29fa4a71b91468f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52c3265f8584a6287ef60b308e74b9c5d976cdad6a899bca29fa4a71b91468f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52c3265f8584a6287ef60b308e74b9c5d976cdad6a899bca29fa4a71b91468f3", kill_on_drop: false }` [INFO] [stdout] 52c3265f8584a6287ef60b308e74b9c5d976cdad6a899bca29fa4a71b91468f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 179d317ef855deed3dc7d7f358ac5012b19c193047f0a423664eb37e03e75fb6 [INFO] running `Command { std: "docker" "start" "-a" "179d317ef855deed3dc7d7f358ac5012b19c193047f0a423664eb37e03e75fb6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling tracing-core v0.1.22 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling tracing v0.1.31 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling pin-project v1.0.10 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-tls v0.3.1 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling hyper v0.13.10 [INFO] [stderr] Compiling hyper-tls v0.4.3 [INFO] [stderr] Compiling reqwest v0.10.10 [INFO] [stderr] Compiling backup v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'backtrace' [INFO] [stdout] --> src/lib.rs:17:23 [INFO] [stdout] | [INFO] [stdout] 17 | let backtrace = e.backtrace().to_string(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53487 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `to_string` exists for enum `std::option::Option<&Backtrace>`, but its trait bounds were not satisfied [INFO] [stdout] --> src/lib.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 17 | let backtrace = e.backtrace().to_string(); [INFO] [stdout] | ^^^^^^^^^ method cannot be called on `std::option::Option<&Backtrace>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `std::option::Option<&Backtrace>: std::fmt::Display` [INFO] [stdout] which is required by `std::option::Option<&Backtrace>: ToString` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `backup` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "179d317ef855deed3dc7d7f358ac5012b19c193047f0a423664eb37e03e75fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "179d317ef855deed3dc7d7f358ac5012b19c193047f0a423664eb37e03e75fb6", kill_on_drop: false }` [INFO] [stdout] 179d317ef855deed3dc7d7f358ac5012b19c193047f0a423664eb37e03e75fb6