[INFO] cloning repository https://github.com/mschulteg/ch8-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mschulteg/ch8-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28f2202fc37e41bba42f42fa0ac1fbefca7a5f1a
[INFO] checking mschulteg/ch8-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mschulteg/ch8-rs 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/mschulteg/ch8-rs
[INFO] finished tweaking git repo https://github.com/mschulteg/ch8-rs
[INFO] tweaked toml for git repo https://github.com/mschulteg/ch8-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mschulteg/ch8-rs 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 xkbcommon-sys v0.7.5
[INFO] [stderr]   Downloaded raw-window-handle v0.4.2
[INFO] [stderr]   Downloaded blip_buf-sys v0.1.4
[INFO] [stderr]   Downloaded blip_buf v0.1.4
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.9
[INFO] [stderr]   Downloaded darling_macro v0.13.1
[INFO] [stderr]   Downloaded ndk-glue v0.6.0
[INFO] [stderr]   Downloaded oboe v0.4.5
[INFO] [stderr]   Downloaded darling v0.13.1
[INFO] [stderr]   Downloaded unidiff v0.3.3
[INFO] [stderr]   Downloaded combine v4.6.3
[INFO] [stderr]   Downloaded darling_core v0.13.1
[INFO] [stderr]   Downloaded cpal v0.13.4
[INFO] [stderr]   Downloaded libc v0.2.115
[INFO] [stderr]   Downloaded minifb v0.20.0
[INFO] [stderr]   Downloaded orbclient v0.3.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0c717d1e339e7b3de38970037bd3cda4643216e55411d2a7c176d8c99027d99a
[INFO] running `Command { std: "docker" "start" "-a" "0c717d1e339e7b3de38970037bd3cda4643216e55411d2a7c176d8c99027d99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c717d1e339e7b3de38970037bd3cda4643216e55411d2a7c176d8c99027d99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c717d1e339e7b3de38970037bd3cda4643216e55411d2a7c176d8c99027d99a", kill_on_drop: false }`
[INFO] [stdout] 0c717d1e339e7b3de38970037bd3cda4643216e55411d2a7c176d8c99027d99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] de492affc8eac8604b0377818f930a50ac6e1a3d111992c181aa5da5cbf769d3
[INFO] running `Command { std: "docker" "start" "-a" "de492affc8eac8604b0377818f930a50ac6e1a3d111992c181aa5da5cbf769d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.115
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling blip_buf-sys v0.1.4
[INFO] [stderr]    Compiling minifb v0.20.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking blip_buf v0.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking ch8-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "de492affc8eac8604b0377818f930a50ac6e1a3d111992c181aa5da5cbf769d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de492affc8eac8604b0377818f930a50ac6e1a3d111992c181aa5da5cbf769d3", kill_on_drop: false }`
[INFO] [stdout] de492affc8eac8604b0377818f930a50ac6e1a3d111992c181aa5da5cbf769d3
[INFO] checking mschulteg/ch8-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmschulteg%2Fch8-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mschulteg/ch8-rs 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/mschulteg/ch8-rs
[INFO] finished tweaking git repo https://github.com/mschulteg/ch8-rs
[INFO] tweaked toml for git repo https://github.com/mschulteg/ch8-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mschulteg/ch8-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 927f1df23e51a7d7df8fcaf10f82049ef8f83ff15e5e0c396f22b720562a409f
[INFO] running `Command { std: "docker" "start" "-a" "927f1df23e51a7d7df8fcaf10f82049ef8f83ff15e5e0c396f22b720562a409f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927f1df23e51a7d7df8fcaf10f82049ef8f83ff15e5e0c396f22b720562a409f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927f1df23e51a7d7df8fcaf10f82049ef8f83ff15e5e0c396f22b720562a409f", kill_on_drop: false }`
[INFO] [stdout] 927f1df23e51a7d7df8fcaf10f82049ef8f83ff15e5e0c396f22b720562a409f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b3a5a4f26cefdc48c6c08b15c2a443653e492c5009d7ad1620a0afd3e9b08abd
[INFO] running `Command { std: "docker" "start" "-a" "b3a5a4f26cefdc48c6c08b15c2a443653e492c5009d7ad1620a0afd3e9b08abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.115
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling blip_buf-sys v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]    Compiling minifb v0.20.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking blip_buf v0.1.4
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling xkbcommon-sys v0.7.5
[INFO] [stderr]     Checking xkb v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking ch8-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b3a5a4f26cefdc48c6c08b15c2a443653e492c5009d7ad1620a0afd3e9b08abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a5a4f26cefdc48c6c08b15c2a443653e492c5009d7ad1620a0afd3e9b08abd", kill_on_drop: false }`
[INFO] [stdout] b3a5a4f26cefdc48c6c08b15c2a443653e492c5009d7ad1620a0afd3e9b08abd