[INFO] cloning repository https://github.com/KrakenOverlord/dynamic_programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KrakenOverlord/dynamic_programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Fdynamic_programming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Fdynamic_programming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f4c640da47c2fbea62588913cdeda8f1e14fd3f
[INFO] checking KrakenOverlord/dynamic_programming against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Fdynamic_programming" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KrakenOverlord/dynamic_programming 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/KrakenOverlord/dynamic_programming
[INFO] finished tweaking git repo https://github.com/KrakenOverlord/dynamic_programming
[INFO] tweaked toml for git repo https://github.com/KrakenOverlord/dynamic_programming written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KrakenOverlord/dynamic_programming 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "aeea51dd7e9d3d784fa0fc279dce76dfbf1d3df84e5e9ca8666aff9c6fa9a111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeea51dd7e9d3d784fa0fc279dce76dfbf1d3df84e5e9ca8666aff9c6fa9a111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeea51dd7e9d3d784fa0fc279dce76dfbf1d3df84e5e9ca8666aff9c6fa9a111", kill_on_drop: false }`
[INFO] [stdout] aeea51dd7e9d3d784fa0fc279dce76dfbf1d3df84e5e9ca8666aff9c6fa9a111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f6c46f297fe7f9945e3e25d65e6978e976cc6c192decefd977a930c4b4c62126
[INFO] running `Command { std: "docker" "start" "-a" "f6c46f297fe7f9945e3e25d65e6978e976cc6c192decefd977a930c4b4c62126", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
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[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.2
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[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking tinyvec v1.6.0
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[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking object v0.28.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
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[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
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[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]     Checking jpeg-decoder v0.1.22
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[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stderr]     Checking speedy2d v1.7.0
[INFO] [stderr]     Checking universe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `IterationInPlace` is never constructed
[INFO] [stdout]  --> src/environment.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Policy {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 5 |     Iteration,
[INFO] [stdout] 6 |     IterationInPlace,
[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] [stdout] warning: variant `IterationInPlace` is never constructed
[INFO] [stdout]  --> src/environment.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Policy {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 5 |     Iteration,
[INFO] [stdout] 6 |     IterationInPlace,
[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 25.60s
[INFO] running `Command { std: "docker" "inspect" "f6c46f297fe7f9945e3e25d65e6978e976cc6c192decefd977a930c4b4c62126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c46f297fe7f9945e3e25d65e6978e976cc6c192decefd977a930c4b4c62126", kill_on_drop: false }`
[INFO] [stdout] f6c46f297fe7f9945e3e25d65e6978e976cc6c192decefd977a930c4b4c62126
[INFO] checking KrakenOverlord/dynamic_programming against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrakenOverlord%2Fdynamic_programming" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KrakenOverlord/dynamic_programming 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/KrakenOverlord/dynamic_programming
[INFO] finished tweaking git repo https://github.com/KrakenOverlord/dynamic_programming
[INFO] tweaked toml for git repo https://github.com/KrakenOverlord/dynamic_programming written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KrakenOverlord/dynamic_programming 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 594bb913771903f4827617d906259c4cac2953de0e6e2ffe94e48e28ee63ddf8
[INFO] running `Command { std: "docker" "start" "-a" "594bb913771903f4827617d906259c4cac2953de0e6e2ffe94e48e28ee63ddf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594bb913771903f4827617d906259c4cac2953de0e6e2ffe94e48e28ee63ddf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594bb913771903f4827617d906259c4cac2953de0e6e2ffe94e48e28ee63ddf8", kill_on_drop: false }`
[INFO] [stdout] 594bb913771903f4827617d906259c4cac2953de0e6e2ffe94e48e28ee63ddf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 231a000729298454e8693f76367b0d57981de5b913ac03965ba7ede5d58d2d21
[INFO] running `Command { std: "docker" "start" "-a" "231a000729298454e8693f76367b0d57981de5b913ac03965ba7ede5d58d2d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling winit v0.26.1
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking gif v0.11.3
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking bytemuck v1.9.1
[INFO] [stderr]     Checking earcutr v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking glow v0.7.2
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking object v0.28.3
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[INFO] [stderr]     Checking unicode-normalization v0.1.19
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[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
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[INFO] [stderr]     Checking speedy2d v1.7.0
[INFO] [stderr]     Checking universe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `IterationInPlace` is never constructed
[INFO] [stdout]  --> src/environment.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Policy {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 5 |     Iteration,
[INFO] [stdout] 6 |     IterationInPlace,
[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] [stdout] warning: variant `IterationInPlace` is never constructed
[INFO] [stdout]  --> src/environment.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Policy {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 5 |     Iteration,
[INFO] [stdout] 6 |     IterationInPlace,
[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 30.28s
[INFO] running `Command { std: "docker" "inspect" "231a000729298454e8693f76367b0d57981de5b913ac03965ba7ede5d58d2d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231a000729298454e8693f76367b0d57981de5b913ac03965ba7ede5d58d2d21", kill_on_drop: false }`
[INFO] [stdout] 231a000729298454e8693f76367b0d57981de5b913ac03965ba7ede5d58d2d21