[INFO] fetching crate fleet-rs 0.0.8...
[INFO] checking fleet-rs-0.0.8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate fleet-rs 0.0.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fleet-rs 0.0.8 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fleet-rs 0.0.8
[INFO] finished tweaking crates.io crate fleet-rs 0.0.8
[INFO] tweaked toml for crates.io crate fleet-rs 0.0.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fleet-rs 0.0.8 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wsl v0.1.0
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded rayon v1.5.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded rayon-core v1.9.2
[INFO] [stderr]   Downloaded libc v0.2.123
[INFO] [stderr]   Downloaded sysinfo v0.23.10
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb609ec1544895b7c64fbb696fac810798977c7d5d6c061b5108ba02819816b
[INFO] running `Command { std: "docker" "start" "-a" "9cb609ec1544895b7c64fbb696fac810798977c7d5d6c061b5108ba02819816b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb609ec1544895b7c64fbb696fac810798977c7d5d6c061b5108ba02819816b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb609ec1544895b7c64fbb696fac810798977c7d5d6c061b5108ba02819816b", kill_on_drop: false }`
[INFO] [stdout] 9cb609ec1544895b7c64fbb696fac810798977c7d5d6c061b5108ba02819816b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c40d04d61cc00e2044778daa071919a7857c8a19ed156cb7d236aa06fc2fc7
[INFO] running `Command { std: "docker" "start" "-a" "56c40d04d61cc00e2044778daa071919a7857c8a19ed156cb7d236aa06fc2fc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling sysinfo v0.23.10
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking wsl v0.1.0
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking fleet-rs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/../src/commands/init.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::config::cargo::{self, add_rustc_wrapper_and_target_configs};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DiskExt`, `DiskType`, `RefreshKind`, `System`
[INFO] [stdout]   --> src/../src/commands/init.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sysinfo::{DiskExt, DiskType, RefreshKind, System, SystemExt};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/commands/init.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::config::cargo::{self, add_rustc_wrapper_and_target_configs};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DiskExt`, `DiskType`, `RefreshKind`, `System`
[INFO] [stdout]   --> src/commands/init.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sysinfo::{DiskExt, DiskType, RefreshKind, System, SystemExt};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/commands/init.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::config::cargo::{self, add_rustc_wrapper_and_target_configs};
[INFO] [stdout]    |                            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DiskExt`, `DiskType`, `RefreshKind`, `System`
[INFO] [stdout]   --> src/commands/init.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sysinfo::{DiskExt, DiskType, RefreshKind, System, SystemExt};
[INFO] [stdout]    |               ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::AppSettings::ArgRequiredElseHelp`: Replaced with `Command::arg_required_else_help` and `Command::is_arg_required_else_help_set`
[INFO] [stdout]   --> src/cli/mod.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     global_setting = AppSettings::ArgRequiredElseHelp
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::AppSettings::ArgRequiredElseHelp`: Replaced with `Command::arg_required_else_help` and `Command::is_arg_required_else_help_set`
[INFO] [stdout]   --> src/cli/mod.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     global_setting = AppSettings::ArgRequiredElseHelp
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated unit variant `clap::AppSettings::ArgRequiredElseHelp`: Replaced with `Command::arg_required_else_help` and `Command::is_arg_required_else_help_set`
[INFO] [stdout]   --> src/../src/cli/mod.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |     global_setting = AppSettings::ArgRequiredElseHelp
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemExt`
[INFO] [stdout]   --> src/../src/commands/init.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sysinfo::{DiskExt, DiskType, RefreshKind, System, SystemExt};
[INFO] [stdout]    |                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemExt`
[INFO] [stdout]   --> src/commands/init.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sysinfo::{DiskExt, DiskType, RefreshKind, System, SystemExt};
[INFO] [stdout]    |                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SystemExt`
[INFO] [stdout]   --> src/commands/init.rs:25:55
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sysinfo::{DiskExt, DiskType, RefreshKind, System, SystemExt};
[INFO] [stdout]    |                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "56c40d04d61cc00e2044778daa071919a7857c8a19ed156cb7d236aa06fc2fc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c40d04d61cc00e2044778daa071919a7857c8a19ed156cb7d236aa06fc2fc7", kill_on_drop: false }`
[INFO] [stdout] 56c40d04d61cc00e2044778daa071919a7857c8a19ed156cb7d236aa06fc2fc7