[INFO] fetching crate hm 0.7.5...
[INFO] testing hm-0.7.5 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate hm 0.7.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate hm 0.7.5
[INFO] finished tweaking crates.io crate hm 0.7.5
[INFO] tweaked toml for crates.io crate hm 0.7.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hm 0.7.5 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hm 0.7.5 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e
[INFO] running `Command { std: "docker" "start" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.47
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling solvent v0.8.3
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling console v0.15.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling shellexpand v2.1.2
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling simplelog v0.12.0
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling hm v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib/mod.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for d in self.dependencies.get(&i) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stdout] 115 +         while let Some(d) = self.dependencies.get(&i) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stdout] 115 +         if let Some(d) = self.dependencies.get(&i) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 32.16s
[INFO] running `Command { std: "docker" "inspect" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling semver v1.0.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib/mod.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for d in self.dependencies.get(&i) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stdout] 115 +         while let Some(d) = self.dependencies.get(&i) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stdout] 115 +         if let Some(d) = self.dependencies.get(&i) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling hm v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lib/mod.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |         for d in self.dependencies.get(&i) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stdout] 115 +         while let Some(d) = self.dependencies.get(&i) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stdout] 115 +         if let Some(d) = self.dependencies.get(&i) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 36.85s
[INFO] running `Command { std: "docker" "inspect" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/lib/mod.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |         for d in self.dependencies.get(&i) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stderr] 115 +         while let Some(d) = self.dependencies.get(&i) {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 115 -         for d in self.dependencies.get(&i) {
[INFO] [stderr] 115 +         if let Some(d) = self.dependencies.get(&i) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `hm` (lib) generated 1 warning
[INFO] [stderr] warning: `hm` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib/mod.rs (/opt/rustwide/target/release/build/hm/2526260d57bf9876/out/hm-2526260d57bf9876)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test config::config_test::dependencies_is_array ... ok
[INFO] [stdout] test config::config_test::test_mo_deserialization ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- config::config_test::test_mo_deserialization stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'config::config_test::test_mo_deserialization' (1870) panicked at src/lib/config.rs:399:67:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Other("No such file or directory (os error 2)")
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64c6b1a27b71 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x64c6b1a3d00a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x64c6b1a2be3c - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x64c6b1a03fd6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x64c6b1a20209 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x64c6b19ae350 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x64c6b1a203c2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x64c6b1a04082 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x64c6b19fcd69 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x64c6b1a04c8d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x64c6b1a3d73c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x64c6b1a3d512 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x64c6b199c2f1 - <hm[3413072745bec24e]::config::config_test::test_mo_deserialization::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x64c6b19a179b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x64c6b19ae975 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x64c6b19a8264 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x64c6b19b1a02 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x64c6b1a273cf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x71572a4ffdfa - <unknown>
[INFO] [stdout]   19:     0x71572a5933d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     config::config_test::test_mo_deserialization
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e", kill_on_drop: false }`
[INFO] [stdout] 582e1e9925a8c47495e7e032f665c2999d65fbe85f07ce756e2a64ba5256010e
