[INFO] cloning repository https://github.com/simonjiao/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonjiao/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonjiao%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonjiao%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5f0750c3bf9d3f52a4ad2784314f35b1dbc7f4
[INFO] checking simonjiao/learning-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonjiao%2Flearning-rust" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simonjiao/learning-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonjiao/learning-rust
[INFO] finished tweaking git repo https://github.com/simonjiao/learning-rust
[INFO] tweaked toml for git repo https://github.com/simonjiao/learning-rust written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/simonjiao/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded data-encoding v2.3.2
[INFO] [stderr]   Downloaded rusqlite v0.25.1
[INFO] [stderr]   Downloaded crossbeam v0.8.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.7
[INFO] [stderr]   Downloaded libsqlite3-sys v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4888828a0f5596f80f9e4e692e6fabadd4411a12ba6b77ad8de7a422387debd
[INFO] running `Command { std: "docker" "start" "-a" "e4888828a0f5596f80f9e4e692e6fabadd4411a12ba6b77ad8de7a422387debd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4888828a0f5596f80f9e4e692e6fabadd4411a12ba6b77ad8de7a422387debd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4888828a0f5596f80f9e4e692e6fabadd4411a12ba6b77ad8de7a422387debd", kill_on_drop: false }`
[INFO] [stdout] e4888828a0f5596f80f9e4e692e6fabadd4411a12ba6b77ad8de7a422387debd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a939ef4d15ca83b2891b943d6ca316986bbf18a8457bbf8d63c619970c83ae
[INFO] running `Command { std: "docker" "start" "-a" "f6a939ef4d15ca83b2891b943d6ca316986bbf18a8457bbf8d63c619970c83ae", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   syn v1.0.71 (as host dependency): visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.67/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "f6a939ef4d15ca83b2891b943d6ca316986bbf18a8457bbf8d63c619970c83ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a939ef4d15ca83b2891b943d6ca316986bbf18a8457bbf8d63c619970c83ae", kill_on_drop: false }`
[INFO] [stdout] f6a939ef4d15ca83b2891b943d6ca316986bbf18a8457bbf8d63c619970c83ae