[INFO] fetching crate bendy 0.4.0-beta.2...
[INFO] checking bendy-0.4.0-beta.2 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bendy 0.4.0-beta.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bendy 0.4.0-beta.2 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bendy 0.4.0-beta.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bendy 0.4.0-beta.2
[INFO] tweaked toml for crates.io crate bendy 0.4.0-beta.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate bendy 0.4.0-beta.2 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.8
[INFO] [stderr]   Downloaded serde_bytes v0.11.6
[INFO] [stderr]   Downloaded snafu-derive v0.7.1
[INFO] [stderr]   Downloaded snafu v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d32d0a097e3016ddac68ef31464390e7f9ae5dbf8eaee9c097efba757d42a6e
[INFO] running `Command { std: "docker" "start" "-a" "8d32d0a097e3016ddac68ef31464390e7f9ae5dbf8eaee9c097efba757d42a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d32d0a097e3016ddac68ef31464390e7f9ae5dbf8eaee9c097efba757d42a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d32d0a097e3016ddac68ef31464390e7f9ae5dbf8eaee9c097efba757d42a6e", kill_on_drop: false }`
[INFO] [stdout] 8d32d0a097e3016ddac68ef31464390e7f9ae5dbf8eaee9c097efba757d42a6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4e36618fbea9c110efb6f929dcd3c860a92efd48e7d80b357deb62e62bb992
[INFO] running `Command { std: "docker" "start" "-a" "6c4e36618fbea9c110efb6f929dcd3c860a92efd48e7d80b357deb62e62bb992", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling snafu-derive v0.7.1
[INFO] [stderr]     Checking snafu v0.7.1
[INFO] [stderr]     Checking bendy v0.4.0-beta.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/decoding/error.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     string::{FromUtf8Error, String, ToString},
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/decoding/error.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 |     string::{FromUtf8Error, String, ToString},
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/encoding/encoder.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::BTreeMap, vec::Vec};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/value.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/value.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     vec::Vec,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_top` is never used
[INFO] [stdout]  --> src/state_tracker/stack.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Stack<T> {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn replace_top(&mut self, new_value: T);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `announce`, `info`, `comment`, `creation_date`, and `http_seeds` are never read
[INFO] [stdout]   --> examples/decode_torrent.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct MetaInfo {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 36 |     pub announce: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 37 |     pub info: Info,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 38 |     pub comment: Option<String>,         // not official element
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub creation_date: Option<u64>,      // not official element
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 40 |     pub http_seeds: Option<Vec<String>>, // not official element
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetaInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_length`, `pieces`, `name`, and `file_length` are never read
[INFO] [stdout]   --> examples/decode_torrent.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Info {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 46 |     pub piece_length: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 47 |     pub pieces: Vec<u8>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 48 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 49 |     pub file_length: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]    --> src/decoding/decoder.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |     use regex;
[INFO] [stdout]     |         ^^^^^ the item `regex` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/decoding/error.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 |     string::{FromUtf8Error, String, ToString},
[INFO] [stdout]   |                             ^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/decoding/error.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 |     string::{FromUtf8Error, String, ToString},
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsString` is imported redundantly
[INFO] [stdout]    --> src/decoding/from_bencode.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use crate::encoding::AsString;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 176 |
[INFO] [stdout] 177 |     use super::*;
[INFO] [stdout]     |         -------- the item `AsString` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/encoding/encoder.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{collections::BTreeMap, vec::Vec};
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]   --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]  --> src/value.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     borrow::{Cow, ToOwned},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/value.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |     use alloc::{string::String, vec};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/core_test.rs:414:19
[INFO] [stdout]     |
[INFO] [stdout] 414 |     DecodingError(DecodingError),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 414 |     DecodingError(()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> tests/core_test.rs:415:19
[INFO] [stdout]     |
[INFO] [stdout] 415 |     EncodingError(EncodingError),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 415 |     EncodingError(()),
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace_top` is never used
[INFO] [stdout]  --> src/state_tracker/stack.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Stack<T> {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn replace_top(&mut self, new_value: T);
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "6c4e36618fbea9c110efb6f929dcd3c860a92efd48e7d80b357deb62e62bb992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4e36618fbea9c110efb6f929dcd3c860a92efd48e7d80b357deb62e62bb992", kill_on_drop: false }`
[INFO] [stdout] 6c4e36618fbea9c110efb6f929dcd3c860a92efd48e7d80b357deb62e62bb992
