[INFO] cloning repository https://github.com/mrkgnao/cube20rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrkgnao/cube20rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkgnao%2Fcube20rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkgnao%2Fcube20rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67b1069f2f63ba7e11ed6521a75b507f575de47
[INFO] checking mrkgnao/cube20rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrkgnao%2Fcube20rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrkgnao/cube20rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrkgnao/cube20rust
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/mrkgnao/cube20rust
[INFO] tweaked toml for git repo https://github.com/mrkgnao/cube20rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mrkgnao/cube20rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_collection v0.2.3
[INFO] [stderr]   Downloaded trybuild v1.0.19
[INFO] [stderr]   Downloaded bitvec v0.16.1
[INFO] [stderr]   Downloaded syn v1.0.12
[INFO] [stderr]   Downloaded macrotest v0.1.6
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded bit_collection_derive v0.2.2
[INFO] [stderr]   Downloaded radium v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1307e4f322bf798444d8a7599d235049764a103b29e564282f065e3d26d3c32c
[INFO] running `Command { std: "docker" "start" "-a" "1307e4f322bf798444d8a7599d235049764a103b29e564282f065e3d26d3c32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1307e4f322bf798444d8a7599d235049764a103b29e564282f065e3d26d3c32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1307e4f322bf798444d8a7599d235049764a103b29e564282f065e3d26d3c32c", kill_on_drop: false }`
[INFO] [stdout] 1307e4f322bf798444d8a7599d235049764a103b29e564282f065e3d26d3c32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 087babfdfef64c32d34ebbc016f35bcc8ea84aa63bbc989073ee87a1f9d30313
[INFO] running `Command { std: "docker" "start" "-a" "087babfdfef64c32d34ebbc016f35bcc8ea84aa63bbc989073ee87a1f9d30313", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   proc-macro2 v1.0.7: default
[INFO] [stderr]   proc-macro2 v1.0.7 (as host dependency): default
[INFO] [stderr]   syn v1.0.12: visit
[INFO] [stderr]   syn v1.0.12 (as host dependency): visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking radium v0.2.0
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling bitvec v0.16.1
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling bit_collection_derive v0.2.2
[INFO] [stderr]     Checking bit_collection v0.2.3
[INFO] [stderr]     Checking alginate_cube v0.1.0 (/tmp/fixit/alginate_cube)
[INFO] [stderr]    Migrating alginate_cube/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking alginate v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking macrotest v0.1.6
[INFO] [stderr]     Checking trybuild v1.0.19
[INFO] [stderr]    Migrating tests/runner.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.36s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.12
[INFO] [stderr]    Compiling alginate v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "087babfdfef64c32d34ebbc016f35bcc8ea84aa63bbc989073ee87a1f9d30313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087babfdfef64c32d34ebbc016f35bcc8ea84aa63bbc989073ee87a1f9d30313", kill_on_drop: false }`
[INFO] [stdout] 087babfdfef64c32d34ebbc016f35bcc8ea84aa63bbc989073ee87a1f9d30313