[INFO] cloning repository https://github.com/daviskeene/Plato
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daviskeene/Plato" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviskeene%2FPlato", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviskeene%2FPlato'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc40b2051d8ce705739cde2c13695a91b4bbce84
[INFO] checking daviskeene/Plato against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviskeene%2FPlato" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daviskeene/Plato 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/daviskeene/Plato
[INFO] finished tweaking git repo https://github.com/daviskeene/Plato
[INFO] tweaked toml for git repo https://github.com/daviskeene/Plato written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/daviskeene/Plato 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded pathdiff v0.1.0
[INFO] [stderr]   Downloaded groups v0.1.1
[INFO] [stderr]   Downloaded pretty-bytes v0.2.2
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 7094e8470854fcfcd7edc5baa4ee49cf11a4f8d102a2107cc251015c2616e996
[INFO] running `Command { std: "docker" "start" "-a" "7094e8470854fcfcd7edc5baa4ee49cf11a4f8d102a2107cc251015c2616e996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7094e8470854fcfcd7edc5baa4ee49cf11a4f8d102a2107cc251015c2616e996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7094e8470854fcfcd7edc5baa4ee49cf11a4f8d102a2107cc251015c2616e996", kill_on_drop: false }`
[INFO] [stdout] 7094e8470854fcfcd7edc5baa4ee49cf11a4f8d102a2107cc251015c2616e996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 1a263da20bcffe4aa542e4aa2cf33a41ad7a6471ddcf5bf5c1f82d94d4b6ea03
[INFO] running `Command { std: "docker" "start" "-a" "1a263da20bcffe4aa542e4aa2cf33a41ad7a6471ddcf5bf5c1f82d94d4b6ea03", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking groups v0.1.1
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking plato v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/lib/list.rs (5 fixes)
[INFO] [stdout] warning: value assigned to `is_long` is never read
[INFO] [stdout]   --> src/lib/list.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |   let mut is_long = false;
[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 `is_human` is never read
[INFO] [stdout]   --> src/lib/list.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |   let mut is_human = false;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_permissions`
[INFO] [stdout]   --> src/lib/file.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_permissions(is_dir: bool, mode: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `triplet`
[INFO] [stdout]   --> src/lib/file.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn triplet(mode: u32, read: u32, write: u32, execute: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_permissions`
[INFO] [stdout]   --> src/lib/file.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn get_permissions(meta: &Metadata) ->  String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_long` is never read
[INFO] [stdout]   --> src/lib/list.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |   let mut is_long = false;
[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 `is_human` is never read
[INFO] [stdout]   --> src/lib/list.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |   let mut is_human = false;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_permissions`
[INFO] [stdout]   --> src/lib/file.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_permissions(is_dir: bool, mode: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `triplet`
[INFO] [stdout]   --> src/lib/file.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn triplet(mode: u32, read: u32, write: u32, execute: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_permissions`
[INFO] [stdout]   --> src/lib/file.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn get_permissions(meta: &Metadata) ->  String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.53s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking plato v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `is_long` is never read
[INFO] [stdout]   --> src/lib/list.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |   let mut is_long = false;
[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 `is_long` is never read
[INFO] [stdout]   --> src/lib/list.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |   let mut is_long = false;
[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 `is_human` is never read
[INFO] [stdout]   --> src/lib/list.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |   let mut is_human = false;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_human` is never read
[INFO] [stdout]   --> src/lib/list.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 |   let mut is_human = false;
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_permissions`
[INFO] [stdout]   --> src/lib/file.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_permissions(is_dir: bool, mode: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `triplet`
[INFO] [stdout]   --> src/lib/file.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn triplet(mode: u32, read: u32, write: u32, execute: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_permissions`
[INFO] [stdout]   --> src/lib/file.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn get_permissions(meta: &Metadata) ->  String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_permissions`
[INFO] [stdout]   --> src/lib/file.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_permissions(is_dir: bool, mode: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `triplet`
[INFO] [stdout]   --> src/lib/file.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn triplet(mode: u32, read: u32, write: u32, execute: u32) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_permissions`
[INFO] [stdout]   --> src/lib/file.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn get_permissions(meta: &Metadata) ->  String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "1a263da20bcffe4aa542e4aa2cf33a41ad7a6471ddcf5bf5c1f82d94d4b6ea03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a263da20bcffe4aa542e4aa2cf33a41ad7a6471ddcf5bf5c1f82d94d4b6ea03", kill_on_drop: false }`
[INFO] [stdout] 1a263da20bcffe4aa542e4aa2cf33a41ad7a6471ddcf5bf5c1f82d94d4b6ea03