[INFO] cloning repository https://github.com/stefnotch/open-student-solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefnotch/open-student-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] faaafc368b0b88973ca61c203239d217406bcded [INFO] checking stefnotch/open-student-solution against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stefnotch/open-student-solution 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/stefnotch/open-student-solution [INFO] finished tweaking git repo https://github.com/stefnotch/open-student-solution [INFO] tweaked toml for git repo https://github.com/stefnotch/open-student-solution written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/stefnotch/open-student-solution 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 inquire v0.2.1 [INFO] [stderr] Downloaded newline-converter v0.2.0 [INFO] [stderr] Downloaded clipboard-win v4.4.1 [INFO] [stderr] Downloaded bytemuck v1.10.0 [INFO] [stderr] Downloaded open v3.0.1 [INFO] [stderr] Downloaded crossterm v0.23.2 [INFO] [stderr] Downloaded crossterm v0.24.0 [INFO] [stderr] Downloaded tui v0.18.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c1d73fbda71b4f457b3dd75bf0941b1736d21ab1cfe34a680750cfc9b56f5485 [INFO] running `Command { std: "docker" "start" "-a" "c1d73fbda71b4f457b3dd75bf0941b1736d21ab1cfe34a680750cfc9b56f5485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1d73fbda71b4f457b3dd75bf0941b1736d21ab1cfe34a680750cfc9b56f5485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1d73fbda71b4f457b3dd75bf0941b1736d21ab1cfe34a680750cfc9b56f5485", kill_on_drop: false }` [INFO] [stdout] c1d73fbda71b4f457b3dd75bf0941b1736d21ab1cfe34a680750cfc9b56f5485 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] eab21aa4bce305b4d2c2d1324f335fca3d537dfa647ff3c04084e5ae7464904b [INFO] running `Command { std: "docker" "start" "-a" "eab21aa4bce305b4d2c2d1324f335fca3d537dfa647ff3c04084e5ae7464904b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling serde_derive v1.0.138 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bytemuck v1.10.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking newline-converter v0.2.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking open v3.0.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking fs_extra v1.2.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking gethostname v0.2.3 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking crossterm v0.21.0 [INFO] [stderr] Checking crossterm v0.23.2 [INFO] [stderr] Checking crossterm v0.24.0 [INFO] [stderr] Checking tui v0.18.0 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking inquire v0.2.1 [INFO] [stderr] Checking x11rb v0.9.0 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking arboard v2.1.1 [INFO] [stderr] Checking confy v0.4.0 [INFO] [stderr] Checking open-student-solution v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.83s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [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" "eab21aa4bce305b4d2c2d1324f335fca3d537dfa647ff3c04084e5ae7464904b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eab21aa4bce305b4d2c2d1324f335fca3d537dfa647ff3c04084e5ae7464904b", kill_on_drop: false }` [INFO] [stdout] eab21aa4bce305b4d2c2d1324f335fca3d537dfa647ff3c04084e5ae7464904b [INFO] checking stefnotch/open-student-solution against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefnotch%2Fopen-student-solution" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stefnotch/open-student-solution 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/stefnotch/open-student-solution [INFO] finished tweaking git repo https://github.com/stefnotch/open-student-solution [INFO] tweaked toml for git repo https://github.com/stefnotch/open-student-solution written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/stefnotch/open-student-solution 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 173c3e950f4146c4ac33461b8b70d989d10bdd5ed884f7114e7e14cd16ac3f53 [INFO] running `Command { std: "docker" "start" "-a" "173c3e950f4146c4ac33461b8b70d989d10bdd5ed884f7114e7e14cd16ac3f53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "173c3e950f4146c4ac33461b8b70d989d10bdd5ed884f7114e7e14cd16ac3f53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "173c3e950f4146c4ac33461b8b70d989d10bdd5ed884f7114e7e14cd16ac3f53", kill_on_drop: false }` [INFO] [stdout] 173c3e950f4146c4ac33461b8b70d989d10bdd5ed884f7114e7e14cd16ac3f53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 69fcda793b88f178fb5ccdaf6c2e7ec09df5f3a85caa32f16a8f4d702ec862ae [INFO] running `Command { std: "docker" "start" "-a" "69fcda793b88f178fb5ccdaf6c2e7ec09df5f3a85caa32f16a8f4d702ec862ae", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling serde_derive v1.0.138 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking bytemuck v1.10.0 [INFO] [stderr] Checking unicode-segmentation v1.9.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking newline-converter v0.2.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking open v3.0.1 [INFO] [stderr] Checking fs_extra v1.2.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking gethostname v0.2.3 [INFO] [stderr] Checking nix v0.22.3 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.23.2 [INFO] [stderr] Checking crossterm v0.21.0 [INFO] [stderr] Checking crossterm v0.24.0 [INFO] [stderr] Checking tui v0.18.0 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking inquire v0.2.1 [INFO] [stderr] Checking x11rb v0.9.0 [INFO] [stderr] Checking arboard v2.1.1 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking confy v0.4.0 [INFO] [stderr] Checking open-student-solution v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.62s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0 [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" "69fcda793b88f178fb5ccdaf6c2e7ec09df5f3a85caa32f16a8f4d702ec862ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69fcda793b88f178fb5ccdaf6c2e7ec09df5f3a85caa32f16a8f4d702ec862ae", kill_on_drop: false }` [INFO] [stdout] 69fcda793b88f178fb5ccdaf6c2e7ec09df5f3a85caa32f16a8f4d702ec862ae