[INFO] cloning repository https://github.com/shakyShane/cb2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shakyShane/cb2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fcb2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fcb2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7497be9f871dc5de20bb0dbf5ae3a9923650bcd3 [INFO] checking shakyShane/cb2 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fcb2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shakyShane/cb2 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shakyShane/cb2 [INFO] finished tweaking git repo https://github.com/shakyShane/cb2 [INFO] tweaked toml for git repo https://github.com/shakyShane/cb2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shakyShane/cb2 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-reactor v0.1.7 [INFO] [stderr] Downloaded tokio-process v0.2.3 [INFO] [stderr] Downloaded from_file v0.1.3 [INFO] [stderr] Downloaded from_file_derive v0.1.3 [INFO] [stderr] Downloaded crossbeam-deque v0.6.2 [INFO] [stderr] Downloaded tokio-current-thread v0.1.4 [INFO] [stderr] Downloaded tokio-fs v0.1.4 [INFO] [stderr] Downloaded linked-hash-map v0.5.1 [INFO] [stderr] Downloaded serde_derive v1.0.82 [INFO] [stderr] Downloaded serde v1.0.82 [INFO] [stderr] Downloaded mio v0.6.16 [INFO] [stderr] Downloaded tokio v0.1.13 [INFO] [stderr] Downloaded yaml-rust v0.4.2 [INFO] [stderr] Downloaded serde_yaml v0.8.8 [INFO] [stderr] Downloaded tokio-threadpool v0.1.9 [INFO] [stderr] Downloaded tokio-timer v0.2.8 [INFO] [stderr] Downloaded socket2 v0.3.8 [INFO] [stderr] Downloaded futures v0.1.25 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded crossbeam-utils v0.6.3 [INFO] [stderr] Downloaded num_cpus v1.9.0 [INFO] [stderr] Downloaded tokio-io v0.1.10 [INFO] [stderr] Downloaded tokio-tcp v0.1.2 [INFO] [stderr] Downloaded tokio-uds v0.2.4 [INFO] [stderr] Downloaded redox_syscall v0.1.44 [INFO] [stderr] Downloaded tokio-signal v0.2.7 [INFO] [stderr] Downloaded smallvec v0.6.7 [INFO] [stderr] Downloaded tokio-executor v0.1.5 [INFO] [stderr] Downloaded slab v0.4.1 [INFO] [stderr] Downloaded arc-swap v0.3.6 [INFO] [stderr] Downloaded signal-hook v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4633edabf8f5cdd6f04852ae72f261489802ac842a5a8a9189011b98c43b4762 [INFO] running `Command { std: "docker" "start" "-a" "4633edabf8f5cdd6f04852ae72f261489802ac842a5a8a9189011b98c43b4762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4633edabf8f5cdd6f04852ae72f261489802ac842a5a8a9189011b98c43b4762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4633edabf8f5cdd6f04852ae72f261489802ac842a5a8a9189011b98c43b4762", kill_on_drop: false }` [INFO] [stdout] 4633edabf8f5cdd6f04852ae72f261489802ac842a5a8a9189011b98c43b4762 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1681df0937cfbc27e253ae9af7984177ed53e1937c017bc4ea030d0901a15695 [INFO] running `Command { std: "docker" "start" "-a" "1681df0937cfbc27e253ae9af7984177ed53e1937c017bc4ea030d0901a15695", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking arc-swap v0.3.6 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking signal-hook v0.1.6 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-process v0.2.3 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling from_file_derive v0.1.3 [INFO] [stderr] Checking serde_yaml v0.8.8 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking from_file v0.1.3 [INFO] [stderr] Checking cb2_core v0.1.0 (/opt/rustwide/workdir/cb2_core) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:38:39 [INFO] [stdout] | [INFO] [stdout] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [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] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 66 | fn create_async(task: TaskItem) -> Box + Send> { [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] 66 | fn create_async(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [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] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:38:39 [INFO] [stdout] | [INFO] [stdout] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [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] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 66 | fn create_async(task: TaskItem) -> Box + Send> { [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] 66 | fn create_async(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [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] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | End { id: usize, exit_code: Option }, [INFO] [stdout] | --- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | EndGroup { id: usize, reports: Vec }, [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | Error { id: usize }, [INFO] [stdout] | ----- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `reports` are never read [INFO] [stdout] --> cb2_core/src/exec.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | ErrorGroup { id: usize, reports: Vec }, [INFO] [stdout] | ---------- ^^ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | End { id: usize, exit_code: Option }, [INFO] [stdout] | --- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | EndGroup { id: usize, reports: Vec }, [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | Error { id: usize }, [INFO] [stdout] | ----- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `reports` are never read [INFO] [stdout] --> cb2_core/src/exec.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | ErrorGroup { id: usize, reports: Vec }, [INFO] [stdout] | ---------- ^^ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking cb2 v0.1.0 (/opt/rustwide/workdir/cb2) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.38s [INFO] running `Command { std: "docker" "inspect" "1681df0937cfbc27e253ae9af7984177ed53e1937c017bc4ea030d0901a15695", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1681df0937cfbc27e253ae9af7984177ed53e1937c017bc4ea030d0901a15695", kill_on_drop: false }` [INFO] [stdout] 1681df0937cfbc27e253ae9af7984177ed53e1937c017bc4ea030d0901a15695 [INFO] checking shakyShane/cb2 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fcb2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shakyShane/cb2 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shakyShane/cb2 [INFO] finished tweaking git repo https://github.com/shakyShane/cb2 [INFO] tweaked toml for git repo https://github.com/shakyShane/cb2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shakyShane/cb2 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad13aceb0ab88d7d9210355b79168734b627818cb7562076ccc90975a69b3914 [INFO] running `Command { std: "docker" "start" "-a" "ad13aceb0ab88d7d9210355b79168734b627818cb7562076ccc90975a69b3914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad13aceb0ab88d7d9210355b79168734b627818cb7562076ccc90975a69b3914", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad13aceb0ab88d7d9210355b79168734b627818cb7562076ccc90975a69b3914", kill_on_drop: false }` [INFO] [stdout] ad13aceb0ab88d7d9210355b79168734b627818cb7562076ccc90975a69b3914 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4441581077f8d0106c3662db5835d64dd0ad0524ece08535bc77c2af9d59cab [INFO] running `Command { std: "docker" "start" "-a" "a4441581077f8d0106c3662db5835d64dd0ad0524ece08535bc77c2af9d59cab", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking smallvec v0.6.7 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.6.2 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking arc-swap v0.3.6 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking linked-hash-map v0.5.1 [INFO] [stderr] Checking signal-hook v0.1.6 [INFO] [stderr] Checking yaml-rust v0.4.2 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking tokio-current-thread v0.1.4 [INFO] [stderr] Checking tokio-timer v0.2.8 [INFO] [stderr] Checking tokio-threadpool v0.1.9 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-reactor v0.1.7 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-uds v0.2.4 [INFO] [stderr] Checking tokio-process v0.2.3 [INFO] [stderr] Checking tokio v0.1.13 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling from_file_derive v0.1.3 [INFO] [stderr] Checking serde_json v1.0.33 [INFO] [stderr] Checking serde_yaml v0.8.8 [INFO] [stderr] Checking from_file v0.1.3 [INFO] [stderr] Checking cb2_core v0.1.0 (/opt/rustwide/workdir/cb2_core) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:38:39 [INFO] [stdout] | [INFO] [stdout] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [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] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 66 | fn create_async(task: TaskItem) -> Box + Send> { [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] 66 | fn create_async(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [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] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:38:39 [INFO] [stdout] | [INFO] [stdout] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [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] 38 | fn create_sync(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:66:40 [INFO] [stdout] | [INFO] [stdout] 66 | fn create_async(task: TaskItem) -> Box + Send> { [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] 66 | fn create_async(task: TaskItem) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> cb2_core/src/exec.rs:81:40 [INFO] [stdout] | [INFO] [stdout] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [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] 81 | fn create_seq(group: TaskGroup) -> Box + Send> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | End { id: usize, exit_code: Option }, [INFO] [stdout] | --- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | EndGroup { id: usize, reports: Vec }, [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | Error { id: usize }, [INFO] [stdout] | ----- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `reports` are never read [INFO] [stdout] --> cb2_core/src/exec.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | ErrorGroup { id: usize, reports: Vec }, [INFO] [stdout] | ---------- ^^ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:9:11 [INFO] [stdout] | [INFO] [stdout] 9 | End { id: usize, exit_code: Option }, [INFO] [stdout] | --- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | EndGroup { id: usize, reports: Vec }, [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> cb2_core/src/exec.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | Error { id: usize }, [INFO] [stdout] | ----- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `reports` are never read [INFO] [stdout] --> cb2_core/src/exec.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | ErrorGroup { id: usize, reports: Vec }, [INFO] [stdout] | ---------- ^^ ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Report` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking cb2 v0.1.0 (/opt/rustwide/workdir/cb2) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.67s [INFO] running `Command { std: "docker" "inspect" "a4441581077f8d0106c3662db5835d64dd0ad0524ece08535bc77c2af9d59cab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4441581077f8d0106c3662db5835d64dd0ad0524ece08535bc77c2af9d59cab", kill_on_drop: false }` [INFO] [stdout] a4441581077f8d0106c3662db5835d64dd0ad0524ece08535bc77c2af9d59cab