[INFO] cloning repository https://github.com/rwaterman/first-person-explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rwaterman/first-person-explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwaterman%2Ffirst-person-explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwaterman%2Ffirst-person-explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0152da35e3cac2d75692d3a64e7fc2b3c6483116
[INFO] checking rwaterman/first-person-explorer against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwaterman%2Ffirst-person-explorer" "/workspace/builds/worker-118/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-118/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rwaterman/first-person-explorer 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/rwaterman/first-person-explorer
[INFO] finished tweaking git repo https://github.com/rwaterman/first-person-explorer
[INFO] tweaked toml for git repo https://github.com/rwaterman/first-person-explorer written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate git repo https://github.com/rwaterman/first-person-explorer 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 0119902eed9aba1387b12e77598b32c32e81f7359e5cad4161407ce0237937fa
[INFO] running `Command { std: "docker" "start" "-a" "0119902eed9aba1387b12e77598b32c32e81f7359e5cad4161407ce0237937fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0119902eed9aba1387b12e77598b32c32e81f7359e5cad4161407ce0237937fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0119902eed9aba1387b12e77598b32c32e81f7359e5cad4161407ce0237937fa", kill_on_drop: false }`
[INFO] [stdout] 0119902eed9aba1387b12e77598b32c32e81f7359e5cad4161407ce0237937fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 219a63f01a0b5d01f8baece916dd6c01aecc7f95884e7b228c1effa8505be37f
[INFO] running `Command { std: "docker" "start" "-a" "219a63f01a0b5d01f8baece916dd6c01aecc7f95884e7b228c1effa8505be37f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking first-person-explorer v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (3 fixes)
[INFO] [stdout] warning: value assigned to `n_shade` is never read
[INFO] [stdout]    --> src/main.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let mut n_shade = b' ';
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n_shade` is never read
[INFO] [stdout]    --> src/main.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let mut n_shade = b' ';
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking first-person-explorer v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `n_shade` is never read
[INFO] [stdout]    --> src/main.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let mut n_shade = b' ';
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n_shade` is never read
[INFO] [stdout]    --> src/main.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |             let mut n_shade = b' ';
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "219a63f01a0b5d01f8baece916dd6c01aecc7f95884e7b228c1effa8505be37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219a63f01a0b5d01f8baece916dd6c01aecc7f95884e7b228c1effa8505be37f", kill_on_drop: false }`
[INFO] [stdout] 219a63f01a0b5d01f8baece916dd6c01aecc7f95884e7b228c1effa8505be37f