[INFO] fetching crate RustTools 0.0.1...
[INFO] testing RustTools-0.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate RustTools 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate RustTools 0.0.1
[INFO] finished tweaking crates.io crate RustTools 0.0.1
[INFO] tweaked toml for crates.io crate RustTools 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate RustTools 0.0.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c47c11206305dd3c58ea1e5c488aeb5c399f586f3951db4ec53b2000e93f60f8
[INFO] running `Command { std: "docker" "start" "-a" "c47c11206305dd3c58ea1e5c488aeb5c399f586f3951db4ec53b2000e93f60f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47c11206305dd3c58ea1e5c488aeb5c399f586f3951db4ec53b2000e93f60f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47c11206305dd3c58ea1e5c488aeb5c399f586f3951db4ec53b2000e93f60f8", kill_on_drop: false }`
[INFO] [stdout] c47c11206305dd3c58ea1e5c488aeb5c399f586f3951db4ec53b2000e93f60f8
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] bce3dc4d783542273f1d10d9799bfa88328881230f97c3cc50c47b90bfaf9a12
[INFO] running `Command { std: "docker" "start" "-a" "bce3dc4d783542273f1d10d9799bfa88328881230f97c3cc50c47b90bfaf9a12", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustTools v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/argparse/command.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/argparse/command.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/argparse/command.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[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: fields `need`, `desc`, and `default` are never read
[INFO] [stdout]   --> src/argparse/arg.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Arg {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) need: bool,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub(crate) desc:String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 17 |     pub(crate) default: String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Arg` has a derived impl for the trait `Clone`, 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: crate `RustTools` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_tools`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "bce3dc4d783542273f1d10d9799bfa88328881230f97c3cc50c47b90bfaf9a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce3dc4d783542273f1d10d9799bfa88328881230f97c3cc50c47b90bfaf9a12", kill_on_drop: false }`
[INFO] [stdout] bce3dc4d783542273f1d10d9799bfa88328881230f97c3cc50c47b90bfaf9a12
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 08953bb59ecf2d79797810540ca2dcd87d8ff155c325bf2ce67b63a48fbb988f
[INFO] running `Command { std: "docker" "start" "-a" "08953bb59ecf2d79797810540ca2dcd87d8ff155c325bf2ce67b63a48fbb988f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/argparse/command.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/argparse/command.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/argparse/command.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[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: fields `need`, `desc`, and `default` are never read
[INFO] [stdout]   --> src/argparse/arg.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Arg {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) need: bool,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub(crate) desc:String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 17 |     pub(crate) default: String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Arg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling RustTools v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustTools` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_tools`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]  --> src/argparse/command.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]   --> src/argparse/command.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/argparse/command.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[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: `command`
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let command = Command::new("Leo Rust Demo")
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `need`, `desc`, and `default` are never read
[INFO] [stdout]   --> src/argparse/arg.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Arg {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub(crate) need: bool,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 15 |
[INFO] [stdout] 16 |     pub(crate) desc:String,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 17 |     pub(crate) default: String,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Arg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "08953bb59ecf2d79797810540ca2dcd87d8ff155c325bf2ce67b63a48fbb988f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08953bb59ecf2d79797810540ca2dcd87d8ff155c325bf2ce67b63a48fbb988f", kill_on_drop: false }`
[INFO] [stdout] 08953bb59ecf2d79797810540ca2dcd87d8ff155c325bf2ce67b63a48fbb988f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d6f7df33d8c2f42a6c724a56a0d5a8e0179cc12605b35a8e2c966fe3382e4feb
[INFO] running `Command { std: "docker" "start" "-a" "d6f7df33d8c2f42a6c724a56a0d5a8e0179cc12605b35a8e2c966fe3382e4feb", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Display`
[INFO] [stderr]  --> src/argparse/command.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{Display};
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]   --> src/argparse/command.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/argparse/command.rs:47:16
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn add(mut self, arg: Arg) -> Self {
[INFO] [stderr]    |                ----^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `need`, `desc`, and `default` are never read
[INFO] [stderr]   --> src/argparse/arg.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 6  | pub struct Arg {
[INFO] [stderr]    |            --- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub(crate) need: bool,
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 15 |
[INFO] [stderr] 16 |     pub(crate) desc:String,
[INFO] [stderr]    |                ^^^^
[INFO] [stderr] 17 |     pub(crate) default: String,
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Arg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `RustTools` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_tools`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `RustTools` (lib) generated 5 warnings (run `cargo fix --lib -p RustTools` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]  --> src/lib.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let command = Command::new("Leo Rust Demo")
[INFO] [stderr]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustTools` (lib test) generated 5 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/RustTools-6e9c7406013fce65)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6f7df33d8c2f42a6c724a56a0d5a8e0179cc12605b35a8e2c966fe3382e4feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f7df33d8c2f42a6c724a56a0d5a8e0179cc12605b35a8e2c966fe3382e4feb", kill_on_drop: false }`
[INFO] [stdout] d6f7df33d8c2f42a6c724a56a0d5a8e0179cc12605b35a8e2c966fe3382e4feb