[INFO] cloning repository https://github.com/gmmorris/jqr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gmmorris/jqr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmmorris%2Fjqr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmmorris%2Fjqr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97fe5371a5592f06e2cb4d9953eb3082c4dd5164
[INFO] checking gmmorris/jqr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmmorris%2Fjqr" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmmorris/jqr 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/gmmorris/jqr
[INFO] finished tweaking git repo https://github.com/gmmorris/jqr
[INFO] tweaked toml for git repo https://github.com/gmmorris/jqr written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gmmorris/jqr 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]      Locking 1 package
[INFO] [stderr]     Updating jg v0.1.7 (/workspace/builds/worker-1-tc1/source) -> v0.1.9
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded predicates v1.0.0
[INFO] [stderr]   Downloaded rgb v0.8.32
[INFO] [stderr]   Downloaded json v0.11.13
[INFO] [stderr]   Downloaded serde_derive v1.0.83
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded json-highlight-writer v1.1.0
[INFO] [stderr]   Downloaded serde v1.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 573fdc198f5b45647c7f551817e87e1e1f0eeb8d289256f5609c44a0c8f7a6d2
[INFO] running `Command { std: "docker" "start" "-a" "573fdc198f5b45647c7f551817e87e1e1f0eeb8d289256f5609c44a0c8f7a6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573fdc198f5b45647c7f551817e87e1e1f0eeb8d289256f5609c44a0c8f7a6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573fdc198f5b45647c7f551817e87e1e1f0eeb8d289256f5609c44a0c8f7a6d2", kill_on_drop: false }`
[INFO] [stdout] 573fdc198f5b45647c7f551817e87e1e1f0eeb8d289256f5609c44a0c8f7a6d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6f59ce19e7e397cd7888b11f75f328cc252cb88c0b5b9ac12d665f7bd73e720a
[INFO] running `Command { std: "docker" "start" "-a" "6f59ce19e7e397cd7888b11f75f328cc252cb88c0b5b9ac12d665f7bd73e720a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rgb v0.8.32
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking tempfile v3.0.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking json-highlight-writer v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Checking jg v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/input/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/input/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/input/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::result::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Result` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/input/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `Command { std: "docker" "inspect" "6f59ce19e7e397cd7888b11f75f328cc252cb88c0b5b9ac12d665f7bd73e720a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f59ce19e7e397cd7888b11f75f328cc252cb88c0b5b9ac12d665f7bd73e720a", kill_on_drop: false }`
[INFO] [stdout] 6f59ce19e7e397cd7888b11f75f328cc252cb88c0b5b9ac12d665f7bd73e720a