[INFO] cloning repository https://github.com/Eh2406/auto-fuzz-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eh2406/auto-fuzz-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEh2406%2Fauto-fuzz-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEh2406%2Fauto-fuzz-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3c28f5af32e20d553bc7eb4db7c6ad8ed13837
[INFO] checking Eh2406/auto-fuzz-test against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEh2406%2Fauto-fuzz-test" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eh2406/auto-fuzz-test on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eh2406/auto-fuzz-test
[INFO] finished tweaking git repo https://github.com/Eh2406/auto-fuzz-test
[INFO] tweaked toml for git repo https://github.com/Eh2406/auto-fuzz-test written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eh2406/auto-fuzz-test 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_tokens_eq v0.1.0
[INFO] [stderr]   Downloaded cargo_toml v0.8.1
[INFO] [stderr]   Downloaded snafu-derive v0.4.4
[INFO] [stderr]   Downloaded fs3 v0.5.0
[INFO] [stderr]   Downloaded snafu v0.4.4
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3252d2d56db4667092b53fe42d6858d9b471d223f599752fc5ad3f9d19793b44
[INFO] running `Command { std: "docker" "start" "-a" "3252d2d56db4667092b53fe42d6858d9b471d223f599752fc5ad3f9d19793b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3252d2d56db4667092b53fe42d6858d9b471d223f599752fc5ad3f9d19793b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3252d2d56db4667092b53fe42d6858d9b471d223f599752fc5ad3f9d19793b44", kill_on_drop: false }`
[INFO] [stdout] 3252d2d56db4667092b53fe42d6858d9b471d223f599752fc5ad3f9d19793b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0b974606b2420b883d30a66a9c28dadaa2fba64c87ce15b600079c8794780d
[INFO] running `Command { std: "docker" "start" "-a" "1f0b974606b2420b883d30a66a9c28dadaa2fba64c87ce15b600079c8794780d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling fs3 v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]     Checking assert_tokens_eq v0.1.0
[INFO] [stderr]     Checking cargo_toml v0.8.1
[INFO] [stderr]     Checking auto-fuzz-test v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/crate_parse.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use super::*;
[INFO] [stdout]     |         -------- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 273 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/crate_parse.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 274 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.77s
[INFO] running `Command { std: "docker" "inspect" "1f0b974606b2420b883d30a66a9c28dadaa2fba64c87ce15b600079c8794780d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0b974606b2420b883d30a66a9c28dadaa2fba64c87ce15b600079c8794780d", kill_on_drop: false }`
[INFO] [stdout] 1f0b974606b2420b883d30a66a9c28dadaa2fba64c87ce15b600079c8794780d
[INFO] checking Eh2406/auto-fuzz-test against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEh2406%2Fauto-fuzz-test" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eh2406/auto-fuzz-test on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eh2406/auto-fuzz-test
[INFO] finished tweaking git repo https://github.com/Eh2406/auto-fuzz-test
[INFO] tweaked toml for git repo https://github.com/Eh2406/auto-fuzz-test written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Eh2406/auto-fuzz-test 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eefb007195e9ef86207fa6de5f51d86e5ddaf414603381b10cf06d0a9dfc6df4
[INFO] running `Command { std: "docker" "start" "-a" "eefb007195e9ef86207fa6de5f51d86e5ddaf414603381b10cf06d0a9dfc6df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eefb007195e9ef86207fa6de5f51d86e5ddaf414603381b10cf06d0a9dfc6df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eefb007195e9ef86207fa6de5f51d86e5ddaf414603381b10cf06d0a9dfc6df4", kill_on_drop: false }`
[INFO] [stdout] eefb007195e9ef86207fa6de5f51d86e5ddaf414603381b10cf06d0a9dfc6df4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8458d865a4e41f2fd586f27ee1cc55d9176217db56e591ddc71984115d22fb95
[INFO] running `Command { std: "docker" "start" "-a" "8458d865a4e41f2fd586f27ee1cc55d9176217db56e591ddc71984115d22fb95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling fs3 v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]     Checking assert_tokens_eq v0.1.0
[INFO] [stderr]     Checking cargo_toml v0.8.1
[INFO] [stderr]     Checking auto-fuzz-test v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]    --> src/crate_parse.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use super::*;
[INFO] [stdout]     |         -------- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 273 |     use std::fs::File;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/crate_parse.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 274 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.95s
[INFO] running `Command { std: "docker" "inspect" "8458d865a4e41f2fd586f27ee1cc55d9176217db56e591ddc71984115d22fb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8458d865a4e41f2fd586f27ee1cc55d9176217db56e591ddc71984115d22fb95", kill_on_drop: false }`
[INFO] [stdout] 8458d865a4e41f2fd586f27ee1cc55d9176217db56e591ddc71984115d22fb95