[INFO] cloning repository https://github.com/sireliah/sillybumper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sireliah/sillybumper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsireliah%2Fsillybumper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsireliah%2Fsillybumper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2fba152ecab8ecebe5d64ba0915d44bf7c21570c [INFO] checking sireliah/sillybumper against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsireliah%2Fsillybumper" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sireliah/sillybumper 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 git repo https://github.com/sireliah/sillybumper [INFO] finished tweaking git repo https://github.com/sireliah/sillybumper [INFO] tweaked toml for git repo https://github.com/sireliah/sillybumper written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sireliah/sillybumper 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] Updating crates.io index [INFO] [stderr] Locking 8 packages [INFO] [stderr] Adding ansi_term v0.12.1 [INFO] [stderr] Adding atty v0.2.14 [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.11 [INFO] [stderr] Adding vec_map v0.8.2 [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] c3eaf056f69cd9a96b38c3273638303def2c0e9cd27eea8b16de90deb0fa9919 [INFO] running `Command { std: "docker" "start" "-a" "c3eaf056f69cd9a96b38c3273638303def2c0e9cd27eea8b16de90deb0fa9919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3eaf056f69cd9a96b38c3273638303def2c0e9cd27eea8b16de90deb0fa9919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3eaf056f69cd9a96b38c3273638303def2c0e9cd27eea8b16de90deb0fa9919", kill_on_drop: false }` [INFO] [stdout] c3eaf056f69cd9a96b38c3273638303def2c0e9cd27eea8b16de90deb0fa9919 [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] b38a50c7bbfa56491cf68633f4995b6895dcb53b4e1d828af3a621d9d96cd0f7 [INFO] running `Command { std: "docker" "start" "-a" "b38a50c7bbfa56491cf68633f4995b6895dcb53b4e1d828af3a621d9d96cd0f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling hyper v0.12.32 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.25 [INFO] [stderr] Checking sillybumper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:61 [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:54 [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:78:79 [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:61 [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:54 [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:78:79 [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.45s [INFO] running `Command { std: "docker" "inspect" "b38a50c7bbfa56491cf68633f4995b6895dcb53b4e1d828af3a621d9d96cd0f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b38a50c7bbfa56491cf68633f4995b6895dcb53b4e1d828af3a621d9d96cd0f7", kill_on_drop: false }` [INFO] [stdout] b38a50c7bbfa56491cf68633f4995b6895dcb53b4e1d828af3a621d9d96cd0f7 [INFO] checking sireliah/sillybumper against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsireliah%2Fsillybumper" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sireliah/sillybumper on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sireliah/sillybumper [INFO] finished tweaking git repo https://github.com/sireliah/sillybumper [INFO] tweaked toml for git repo https://github.com/sireliah/sillybumper written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sireliah/sillybumper 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11d5b73cdddbf0bbd20ea51ddfb9cd8cc719aea410b0671bc51d41dd3bc382e8 [INFO] running `Command { std: "docker" "start" "-a" "11d5b73cdddbf0bbd20ea51ddfb9cd8cc719aea410b0671bc51d41dd3bc382e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11d5b73cdddbf0bbd20ea51ddfb9cd8cc719aea410b0671bc51d41dd3bc382e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11d5b73cdddbf0bbd20ea51ddfb9cd8cc719aea410b0671bc51d41dd3bc382e8", kill_on_drop: false }` [INFO] [stdout] 11d5b73cdddbf0bbd20ea51ddfb9cd8cc719aea410b0671bc51d41dd3bc382e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 581e416b43405347b2fd0ca001af6806e846c20f57cf96f0fded56fe88325ec2 [INFO] running `Command { std: "docker" "start" "-a" "581e416b43405347b2fd0ca001af6806e846c20f57cf96f0fded56fe88325ec2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling hyper v0.12.32 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.25 [INFO] [stderr] Checking sillybumper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:61 [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:54 [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:78:79 [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:13:61 [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | fn parse_contents(contents: &str) -> Result<(i32, i32), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:54 [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | fn read_file(file_path: &Path) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:78:79 [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 78 | fn write_file(file_path: &Path, l_value: i32, r_value: i32) -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.66s [INFO] running `Command { std: "docker" "inspect" "581e416b43405347b2fd0ca001af6806e846c20f57cf96f0fded56fe88325ec2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581e416b43405347b2fd0ca001af6806e846c20f57cf96f0fded56fe88325ec2", kill_on_drop: false }` [INFO] [stdout] 581e416b43405347b2fd0ca001af6806e846c20f57cf96f0fded56fe88325ec2