[INFO] fetching crate async-git 0.0.0-squat-name...
[INFO] checking async-git-0.0.0-squat-name against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate async-git 0.0.0-squat-name into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate async-git 0.0.0-squat-name
[INFO] finished tweaking crates.io crate async-git 0.0.0-squat-name
[INFO] tweaked toml for crates.io crate async-git 0.0.0-squat-name written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-git 0.0.0-squat-name on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-git 0.0.0-squat-name 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded tokio-macros v0.2.5
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded bytes v0.5.4
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.15
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.14
[INFO] [stderr]   Downloaded tokio v0.2.18
[INFO] [stderr]   Downloaded futures-util v0.3.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded miniz_oxide v0.3.6
[INFO] [stderr]   Downloaded async-compression v0.3.2
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded typenum v1.12.0
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded thiserror v1.0.15
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded futures-task v0.3.4
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded version_check v0.9.1
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa41f61dfc88604b6660283ec65029fd14d2c393c63821b75de748d334b1835a
[INFO] running `Command { std: "docker" "start" "-a" "fa41f61dfc88604b6660283ec65029fd14d2c393c63821b75de748d334b1835a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa41f61dfc88604b6660283ec65029fd14d2c393c63821b75de748d334b1835a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa41f61dfc88604b6660283ec65029fd14d2c393c63821b75de748d334b1835a", kill_on_drop: false }`
[INFO] [stdout] fa41f61dfc88604b6660283ec65029fd14d2c393c63821b75de748d334b1835a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0b59072a50b7c3fd27232989980b4123f448c0c19d130278f36e75c594fccf
[INFO] running `Command { std: "docker" "start" "-a" "2b0b59072a50b7c3fd27232989980b4123f448c0c19d130278f36e75c594fccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking async-compression v0.3.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking async-git v0.0.0-squat-name (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/plumbing/commit.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let size = {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/plumbing/commit.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub async fn write<W: AsyncWrite + Unpin>(self, w: W) -> Result<(), IOError> {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]  --> src/plumbing/interrogators/rev_parse.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn rev_parse_cmd(options: RevParseOptions) {}
[INFO] [stdout]   |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]  --> src/porcelain/log.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn log_cmd(options: LogOptions) -> Result<()> {
[INFO] [stdout]   |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tree`, `parents`, `author`, `committer`, `gpgsig`, and `message` are never read
[INFO] [stdout]   --> src/plumbing/commit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Commit {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     tree: Oid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     parents: Vec<Oid>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     committer: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     gpgsig: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Commit` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]  --> src/plumbing/ref.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Ref {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 5 |     target: Option<Oid>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `template` is never read
[INFO] [stdout]   --> src/porcelain/init.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct InitOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     template: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InitOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commit` is never read
[INFO] [stdout]  --> src/porcelain/log.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LogOptions {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     commit: Oid,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LogOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ZlibIO` is never used
[INFO] [stdout]   --> src/util/mod.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait ZlibIO {}
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/plumbing/commit.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let size = {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/plumbing/commit.rs:85:53
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub async fn write<W: AsyncWrite + Unpin>(self, w: W) -> Result<(), IOError> {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]  --> src/plumbing/interrogators/rev_parse.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn rev_parse_cmd(options: RevParseOptions) {}
[INFO] [stdout]   |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]  --> src/porcelain/log.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn log_cmd(options: LogOptions) -> Result<()> {
[INFO] [stdout]   |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `tree`, `parents`, `author`, `committer`, `gpgsig`, and `message` are never read
[INFO] [stdout]   --> src/plumbing/commit.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Commit {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 11 |     tree: Oid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     parents: Vec<Oid>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     author: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     committer: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     gpgsig: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     message: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Commit` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target` is never read
[INFO] [stdout]  --> src/plumbing/ref.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Ref {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 5 |     target: Option<Oid>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `template` is never read
[INFO] [stdout]   --> src/porcelain/init.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct InitOptions {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     template: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InitOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `commit` is never read
[INFO] [stdout]  --> src/porcelain/log.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct LogOptions {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 6 |     commit: Oid,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LogOptions` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ZlibIO` is never used
[INFO] [stdout]   --> src/util/mod.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait ZlibIO {}
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.75s
[INFO] running `Command { std: "docker" "inspect" "2b0b59072a50b7c3fd27232989980b4123f448c0c19d130278f36e75c594fccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0b59072a50b7c3fd27232989980b4123f448c0c19d130278f36e75c594fccf", kill_on_drop: false }`
[INFO] [stdout] 2b0b59072a50b7c3fd27232989980b4123f448c0c19d130278f36e75c594fccf
