[INFO] cloning repository https://github.com/jhessin/rust-workouts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhessin/rust-workouts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-workouts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-workouts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 184d49f1f1c569abdfd5160de733413caab2d87a
[INFO] checking jhessin/rust-workouts against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-workouts" "/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/jhessin/rust-workouts 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/jhessin/rust-workouts
[INFO] finished tweaking git repo https://github.com/jhessin/rust-workouts
[INFO] tweaked toml for git repo https://github.com/jhessin/rust-workouts written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jhessin/rust-workouts 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 ndk v0.4.0
[INFO] [stderr]   Downloaded terminal-menu v2.0.1
[INFO] [stderr]   Downloaded ndk-glue v0.4.0
[INFO] [stderr]   Downloaded rusty_audio v1.2.1
[INFO] [stderr]   Downloaded combine v4.6.1
[INFO] [stderr]   Downloaded oboe v0.4.4
[INFO] [stderr]   Downloaded oboe-sys v0.4.4
[INFO] [stderr]   Downloaded rodio v0.13.1
[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] 34f95a84329607885787425a60f44a8a9161dc5e580e4109d9bec03caab7fd4c
[INFO] running `Command { std: "docker" "start" "-a" "34f95a84329607885787425a60f44a8a9161dc5e580e4109d9bec03caab7fd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34f95a84329607885787425a60f44a8a9161dc5e580e4109d9bec03caab7fd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f95a84329607885787425a60f44a8a9161dc5e580e4109d9bec03caab7fd4c", kill_on_drop: false }`
[INFO] [stdout] 34f95a84329607885787425a60f44a8a9161dc5e580e4109d9bec03caab7fd4c
[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] 4994e2836564bb8d022891a975b362b19b64fe30949f789aef04a9f5d2d579d1
[INFO] running `Command { std: "docker" "start" "-a" "4994e2836564bb8d022891a975b362b19b64fe30949f789aef04a9f5d2d579d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking workout-paths v0.1.0 (/opt/rustwide/workdir/workout-paths)
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking terminal-menu v2.0.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking rodio v0.13.1
[INFO] [stderr]     Checking rusty_audio v1.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking workout v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub mod lib;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub mod lib;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.03s
[INFO] running `Command { std: "docker" "inspect" "4994e2836564bb8d022891a975b362b19b64fe30949f789aef04a9f5d2d579d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4994e2836564bb8d022891a975b362b19b64fe30949f789aef04a9f5d2d579d1", kill_on_drop: false }`
[INFO] [stdout] 4994e2836564bb8d022891a975b362b19b64fe30949f789aef04a9f5d2d579d1
[INFO] checking jhessin/rust-workouts against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhessin%2Frust-workouts" "/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/jhessin/rust-workouts 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/jhessin/rust-workouts
[INFO] finished tweaking git repo https://github.com/jhessin/rust-workouts
[INFO] tweaked toml for git repo https://github.com/jhessin/rust-workouts written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jhessin/rust-workouts 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-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] 5434bd067b1fb69ef37d163305835816b6bb44d642f7c958bf5f7952c07b3558
[INFO] running `Command { std: "docker" "start" "-a" "5434bd067b1fb69ef37d163305835816b6bb44d642f7c958bf5f7952c07b3558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5434bd067b1fb69ef37d163305835816b6bb44d642f7c958bf5f7952c07b3558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5434bd067b1fb69ef37d163305835816b6bb44d642f7c958bf5f7952c07b3558", kill_on_drop: false }`
[INFO] [stdout] 5434bd067b1fb69ef37d163305835816b6bb44d642f7c958bf5f7952c07b3558
[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] a182b0fbcc0cbb20003e8737b16757b85a4d50e3cd60b0c2a1f15542ee9e1a10
[INFO] running `Command { std: "docker" "start" "-a" "a182b0fbcc0cbb20003e8737b16757b85a4d50e3cd60b0c2a1f15542ee9e1a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking workout-paths v0.1.0 (/opt/rustwide/workdir/workout-paths)
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking terminal-menu v2.0.1
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking rodio v0.13.1
[INFO] [stderr]     Checking rusty_audio v1.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking workout v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub mod lib;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub mod lib;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: lib.rs is the root of this crate's library target
[INFO] [stdout]    = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]    = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.62s
[INFO] running `Command { std: "docker" "inspect" "a182b0fbcc0cbb20003e8737b16757b85a4d50e3cd60b0c2a1f15542ee9e1a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a182b0fbcc0cbb20003e8737b16757b85a4d50e3cd60b0c2a1f15542ee9e1a10", kill_on_drop: false }`
[INFO] [stdout] a182b0fbcc0cbb20003e8737b16757b85a4d50e3cd60b0c2a1f15542ee9e1a10