[INFO] cloning repository https://github.com/mattjquinn/jcompiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattjquinn/jcompiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattjquinn%2Fjcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattjquinn%2Fjcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc618ccb421351c65ae17fa527b2799ab4c50ff4
[INFO] checking mattjquinn/jcompiler against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattjquinn%2Fjcompiler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattjquinn/jcompiler 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/mattjquinn/jcompiler
[INFO] finished tweaking git repo https://github.com/mattjquinn/jcompiler
[INFO] tweaked toml for git repo https://github.com/mattjquinn/jcompiler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattjquinn/jcompiler 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]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded pest_generator v2.1.0
[INFO] [stderr]   Downloaded sha-1 v0.7.0
[INFO] [stderr]   Downloaded pest_meta v2.1.0
[INFO] [stderr]   Downloaded generic-array v0.9.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded rand v0.7.1
[INFO] [stderr]   Downloaded ascii v0.9.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.1
[INFO] [stderr]   Downloaded criterion v0.2.10
[INFO] [stderr]   Downloaded syn v1.0.30
[INFO] [stderr]   Downloaded cc v1.0.29
[INFO] [stderr]   Downloaded llvm-sys v100.2.3
[INFO] [stderr]   Downloaded ucd-trie v0.1.1
[INFO] [stderr]   Downloaded criterion-plot v0.3.0
[INFO] [stderr]   Downloaded either v1.5.1
[INFO] [stderr]   Downloaded quickcheck v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9f00538d6f99fd73e46241d52fb0e02445c7d38c224f641ac2f447b3112a5bae
[INFO] running `Command { std: "docker" "start" "-a" "9f00538d6f99fd73e46241d52fb0e02445c7d38c224f641ac2f447b3112a5bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f00538d6f99fd73e46241d52fb0e02445c7d38c224f641ac2f447b3112a5bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f00538d6f99fd73e46241d52fb0e02445c7d38c224f641ac2f447b3112a5bae", kill_on_drop: false }`
[INFO] [stdout] 9f00538d6f99fd73e46241d52fb0e02445c7d38c224f641ac2f447b3112a5bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1297b3b32d2365d8a1c3980770ffea59260fc93ad04a940030aeda6c102324ea
[INFO] running `Command { std: "docker" "start" "-a" "1297b3b32d2365d8a1c3980770ffea59260fc93ad04a940030aeda6c102324ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand v0.7.1
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking criterion-plot v0.3.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling jcompiler-derive v0.1.0 (/opt/rustwide/workdir/lib/jcompiler-derive)
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]    Compiling llvm-sys v100.2.3
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking jcompiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CompileContext` is never constructed
[INFO] [stdout]    --> src/lib/backend/llvm/compiler.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct CompileContext {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.2.10
[INFO] [stdout] Ignoring known test failure: ctest_strings.ijs
[INFO] [stdout] Ignoring known test failure: ctest_divisions.ijs
[INFO] [stdout] Ignoring known test failure: ctest_ch2_learningjbook.ijs
[INFO] [stdout] Ignoring known test failure: ctest_ch1_learningjbook.ijs
[INFO] [stdout] Ignoring known test failure: ctest_monadic_shapeof.ijs
[INFO] [stdout] Ignoring known test failure: ctest_monadic_tally.ijs
[INFO] [stdout] Ignoring known test failure: ctest_dyadic_copy.ijs
[INFO] [stdout] Ignoring known test failure: ctest_dyadic_append.ijs
[INFO] [stdout] Ignoring known test failure: ctest_power.ijs
[INFO] [stdout] Ignoring known test failure: ctest_dyadic_largerorequal.ijs
[INFO] [stdout] Ignoring known test failure: ctest_dyadic_shape.ijs
[INFO] [stdout] Ignoring known test failure: ctest_negative_numbers.ijs
[INFO] [stdout] Ignoring known test failure: ctest_dyadic_largerof.ijs
[INFO] [stdout] Ignoring known test failure: j1.ijs
[INFO] [stdout] Ignoring known test failure: ctest_global_refs_mixedverbs.ijs
[INFO] [stdout] warning: struct `CompileContext` is never constructed
[INFO] [stdout]    --> src/lib/backend/llvm/compiler.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct CompileContext {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.10
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1297b3b32d2365d8a1c3980770ffea59260fc93ad04a940030aeda6c102324ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1297b3b32d2365d8a1c3980770ffea59260fc93ad04a940030aeda6c102324ea", kill_on_drop: false }`
[INFO] [stdout] 1297b3b32d2365d8a1c3980770ffea59260fc93ad04a940030aeda6c102324ea