[INFO] fetching crate readapt 0.1.2...
[INFO] testing readapt-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate readapt 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate readapt 0.1.2
[INFO] finished tweaking crates.io crate readapt 0.1.2
[INFO] tweaked toml for crates.io crate readapt 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readapt 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate readapt 0.1.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f04c4b48993d2096c24553bdf908abf87817b8beaa766229076957692d6b2cd
[INFO] running `Command { std: "docker" "start" "-a" "2f04c4b48993d2096c24553bdf908abf87817b8beaa766229076957692d6b2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f04c4b48993d2096c24553bdf908abf87817b8beaa766229076957692d6b2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f04c4b48993d2096c24553bdf908abf87817b8beaa766229076957692d6b2cd", kill_on_drop: false }`
[INFO] [stdout] 2f04c4b48993d2096c24553bdf908abf87817b8beaa766229076957692d6b2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996e86fe95f8e38368025e410f1c2ba1512408604d3849c129ed25cea9e0b44c
[INFO] running `Command { std: "docker" "start" "-a" "996e86fe95f8e38368025e410f1c2ba1512408604d3849c129ed25cea9e0b44c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pre-commit v0.5.2
[INFO] [stderr] error: failed to run custom build command for `pre-commit v0.5.2`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pre-commit-ba0c53ac430f60d2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug/build/pre-commit-384b678297c01196/out"
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug/build/pre-commit-384b678297c01196"
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug/build"
[INFO] [stderr]   looking for root in "/opt/rustwide/target/debug"
[INFO] [stderr]   looking for root in "/opt/rustwide/target"
[INFO] [stderr]   looking for root in "/opt/rustwide"
[INFO] [stderr]   looking for root in "/opt"
[INFO] [stderr]   looking for root in "/"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (312) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pre-commit-0.5.2/build.rs:9:17:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Custom { kind: NotFound, error: "Crate root not found" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x606cd2cf6eb2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x606cd2cf6eb2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x606cd2cf6eb2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x606cd2cf6eb2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x606cd2d0609f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x606cd2d0609f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x606cd2cd4973 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x606cd2cd4973 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x606cd2cda1a2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x606cd2cdbc8c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x606cd2cdbae6 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x606cd2cdc265 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x606cd2cdc0fa - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x606cd2cda2d9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x606cd2cc91ed - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x606cd2d0ac30 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x606cd2d0a406 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x606cd2ca4a2c - build_script_build::main::hd74571e5be08ae21
[INFO] [stderr]     18:     0x606cd2ca0013 - core::ops::function::FnOnce::call_once::hd76103ec71ba1a8a
[INFO] [stderr]     19:     0x606cd2c9fca6 - std::sys::backtrace::__rust_begin_short_backtrace::hb5b73909fbceaac4
[INFO] [stderr]     20:     0x606cd2c9fb19 - std::rt::lang_start::{{closure}}::h1600d593e8c13f28
[INFO] [stderr]     21:     0x606cd2cd5f70 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x606cd2cd5f70 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x606cd2cd5f70 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x606cd2cd5f70 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x606cd2cd5f70 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x606cd2cd5f70 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x606cd2cd5f70 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x606cd2cd5f70 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x606cd2cd5f70 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x606cd2c9fb01 - std::rt::lang_start::h77061b771f8ce86f
[INFO] [stderr]     31:     0x606cd2ca6945 - main
[INFO] [stderr]     32:     0x7cb2dbb521ca - <unknown>
[INFO] [stderr]     33:     0x7cb2dbb5228b - __libc_start_main
[INFO] [stderr]     34:     0x606cd2c9f3a5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "996e86fe95f8e38368025e410f1c2ba1512408604d3849c129ed25cea9e0b44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996e86fe95f8e38368025e410f1c2ba1512408604d3849c129ed25cea9e0b44c", kill_on_drop: false }`
[INFO] [stdout] 996e86fe95f8e38368025e410f1c2ba1512408604d3849c129ed25cea9e0b44c