[INFO] cloning repository https://github.com/Rudranil-Sarkar/Bencode-parser-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rudranil-Sarkar/Bencode-parser-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRudranil-Sarkar%2FBencode-parser-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRudranil-Sarkar%2FBencode-parser-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bebb04d5b550d4f5273d7acd24214ab66af56127 [INFO] building Rudranil-Sarkar/Bencode-parser-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRudranil-Sarkar%2FBencode-parser-rust" "/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/Rudranil-Sarkar/Bencode-parser-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Rudranil-Sarkar/Bencode-parser-rust [INFO] finished tweaking git repo https://github.com/Rudranil-Sarkar/Bencode-parser-rust [INFO] tweaked toml for git repo https://github.com/Rudranil-Sarkar/Bencode-parser-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Rudranil-Sarkar/Bencode-parser-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b534195d8f2a41ac6b48570433dbc62061dea5d6bcde524148faf945694fc5d2 [INFO] running `Command { std: "docker" "start" "-a" "b534195d8f2a41ac6b48570433dbc62061dea5d6bcde524148faf945694fc5d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b534195d8f2a41ac6b48570433dbc62061dea5d6bcde524148faf945694fc5d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b534195d8f2a41ac6b48570433dbc62061dea5d6bcde524148faf945694fc5d2", kill_on_drop: false }` [INFO] [stdout] b534195d8f2a41ac6b48570433dbc62061dea5d6bcde524148faf945694fc5d2 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff0d09e9363ed3d18b4eafd73e47c3824d88260c9284406e32c9efc01a777817 [INFO] running `Command { std: "docker" "start" "-a" "ff0d09e9363ed3d18b4eafd73e47c3824d88260c9284406e32c9efc01a777817", kill_on_drop: false }` [INFO] [stderr] Compiling bencode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:445:21 [INFO] [stdout] | [INFO] [stdout] 445 | let mut arg: Vec; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "ff0d09e9363ed3d18b4eafd73e47c3824d88260c9284406e32c9efc01a777817", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff0d09e9363ed3d18b4eafd73e47c3824d88260c9284406e32c9efc01a777817", kill_on_drop: false }` [INFO] [stdout] ff0d09e9363ed3d18b4eafd73e47c3824d88260c9284406e32c9efc01a777817 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 264447343bad12f25464e3ed825d021f3581fbb80587c8d5d19fc79b35c4f951 [INFO] running `Command { std: "docker" "start" "-a" "264447343bad12f25464e3ed825d021f3581fbb80587c8d5d19fc79b35c4f951", kill_on_drop: false }` [INFO] [stderr] Compiling bencode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:445:21 [INFO] [stdout] | [INFO] [stdout] 445 | let mut arg: Vec; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `encode_bencode_value` [INFO] [stdout] --> src/lib.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | use crate::bencode::{encode_bencode_value, BencodeEncodeble}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:508:38 [INFO] [stdout] | [INFO] [stdout] 508 | vec![4.into(), 5.into()].into(), [INFO] [stdout] | ^^^^ cannot infer type for struct `Vec<_>` [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s satisfying `Vec<_>: Into` found [INFO] [stdout] --> src/lib.rs:348:5 [INFO] [stdout] | [INFO] [stdout] 348 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 384 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: and another `impl` found in the `core` crate: [INFO] [stdout] - impl Into for T [INFO] [stdout] where U: From; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:510:63 [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | ^^^^ cannot infer type for struct `Vec<_>` [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s satisfying `Vec<_>: Into<_>` found [INFO] [stdout] --> src/lib.rs:348:5 [INFO] [stdout] | [INFO] [stdout] 348 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 366 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 384 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: and another `impl` found in the `core` crate: [INFO] [stdout] - impl Into for T [INFO] [stdout] where U: From; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:510:71 [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | ^^^^ cannot infer type for struct `Vec<_>` [INFO] [stdout] | [INFO] [stdout] note: multiple `impl`s satisfying `Vec<_>: Into` found [INFO] [stdout] --> src/lib.rs:348:5 [INFO] [stdout] | [INFO] [stdout] 348 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 384 | impl Into for Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: and another `impl` found in the `core` crate: [INFO] [stdout] - impl Into for T [INFO] [stdout] where U: From; [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:508:20 [INFO] [stdout] | [INFO] [stdout] 508 | vec![4.into(), 5.into()].into(), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `_: From` found in the following crates: `core`, `std`: [INFO] [stdout] - impl From for AtomicI32; [INFO] [stdout] - impl From for f64; [INFO] [stdout] - impl From for i128; [INFO] [stdout] - impl From for i64; [INFO] [stdout] - impl From for std::sys::pal::unix::process::process_inner::ExitStatus; [INFO] [stdout] = note: required for `i32` to implement `Into<_>` [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 508 | vec![>::into(4), 5.into()].into(), [INFO] [stdout] | +++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:508:20 [INFO] [stdout] | [INFO] [stdout] 508 | vec![4.into(), 5.into()].into(), [INFO] [stdout] | ^^^^ ---- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `_: From` found in the following crates: `core`, `std`: [INFO] [stdout] - impl From for AtomicI32; [INFO] [stdout] - impl From for f64; [INFO] [stdout] - impl From for i128; [INFO] [stdout] - impl From for i64; [INFO] [stdout] - impl From for std::sys::pal::unix::process::process_inner::ExitStatus; [INFO] [stdout] = note: required for `i32` to implement `Into<_>` [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 508 | vec![>::into(4), 5.into()].into(), [INFO] [stdout] | +++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:510:20 [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `_: From` found in the following crates: `core`, `std`: [INFO] [stdout] - impl From for AtomicI32; [INFO] [stdout] - impl From for f64; [INFO] [stdout] - impl From for i128; [INFO] [stdout] - impl From for i64; [INFO] [stdout] - impl From for std::sys::pal::unix::process::process_inner::ExitStatus; [INFO] [stdout] = note: required for `i32` to implement `Into<_>` [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 510 | vec![>::into(5), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | +++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:510:20 [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | ^^^^ ---- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `_: From` found in the following crates: `core`, `std`: [INFO] [stdout] - impl From for AtomicI32; [INFO] [stdout] - impl From for f64; [INFO] [stdout] - impl From for i128; [INFO] [stdout] - impl From for i64; [INFO] [stdout] - impl From for std::sys::pal::unix::process::process_inner::ExitStatus; [INFO] [stdout] = note: required for `i32` to implement `Into<_>` [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 510 | vec![>::into(5), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | +++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:510:45 [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `_: From` found in the following crates: `core`, `std`: [INFO] [stdout] - impl From for AtomicI32; [INFO] [stdout] - impl From for f64; [INFO] [stdout] - impl From for i128; [INFO] [stdout] - impl From for i64; [INFO] [stdout] - impl From for std::sys::pal::unix::process::process_inner::ExitStatus; [INFO] [stdout] = note: required for `i32` to implement `Into<_>` [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![>::into(7), 8.into()].into()].into(), [INFO] [stdout] | +++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:510:45 [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![7.into(), 8.into()].into()].into(), [INFO] [stdout] | ^^^^ ---- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `_: From` found in the following crates: `core`, `std`: [INFO] [stdout] - impl From for AtomicI32; [INFO] [stdout] - impl From for f64; [INFO] [stdout] - impl From for i128; [INFO] [stdout] - impl From for i64; [INFO] [stdout] - impl From for std::sys::pal::unix::process::process_inner::ExitStatus; [INFO] [stdout] = note: required for `i32` to implement `Into<_>` [INFO] [stdout] help: try using a fully qualified path to specify the expected types [INFO] [stdout] | [INFO] [stdout] 510 | vec![5.into(), 6.into(), vec![>::into(7), 8.into()].into()].into(), [INFO] [stdout] | +++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:445:21 [INFO] [stdout] | [INFO] [stdout] 445 | let mut arg: Vec; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> src/lib.rs:494:13 [INFO] [stdout] | [INFO] [stdout] 494 | let test: Vec = vec![1.into(), 2.into(), 3.into()].into(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bencode` (lib test) due to 9 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "264447343bad12f25464e3ed825d021f3581fbb80587c8d5d19fc79b35c4f951", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "264447343bad12f25464e3ed825d021f3581fbb80587c8d5d19fc79b35c4f951", kill_on_drop: false }` [INFO] [stdout] 264447343bad12f25464e3ed825d021f3581fbb80587c8d5d19fc79b35c4f951