[INFO] cloning repository https://github.com/ceronman/loxido
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ceronman/loxido" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceronman%2Floxido", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceronman%2Floxido'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 177a60b43ec0519679ab953ae0875f7c6d8566a0
[INFO] checking ceronman/loxido against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fceronman%2Floxido" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ceronman/loxido
[INFO] finished tweaking git repo https://github.com/ceronman/loxido
[INFO] tweaked toml for git repo https://github.com/ceronman/loxido written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ceronman/loxido on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ceronman/loxido 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "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 test-generator v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4206974bbfbc0a2454382e0e036b1c53c116c7ac65579d6bf94e4fba4461d90c
[INFO] running `Command { std: "docker" "start" "-a" "4206974bbfbc0a2454382e0e036b1c53c116c7ac65579d6bf94e4fba4461d90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4206974bbfbc0a2454382e0e036b1c53c116c7ac65579d6bf94e4fba4461d90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4206974bbfbc0a2454382e0e036b1c53c116c7ac65579d6bf94e4fba4461d90c", kill_on_drop: false }`
[INFO] [stdout] 4206974bbfbc0a2454382e0e036b1c53c116c7ac65579d6bf94e4fba4461d90c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0be54b965c1bce4cdaf4bfbade37035e55594b2577d4e46ab255a7dfcea76b53
[INFO] running `Command { std: "docker" "start" "-a" "0be54b965c1bce4cdaf4bfbade37035e55594b2577d4e46ab255a7dfcea76b53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking loxido v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |             if let Some(mut object) = self.objects[i].as_mut() {
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm.rs:275:29
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         let mut subclass = self.gc.deref_mut(subclass);
[INFO] [stdout]     |                             ----^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 |                     let mut upvalue = self.gc.deref_mut(upvalue);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:80:43
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(code: &'sourcecode str) -> Scanner {
[INFO] [stdout]    |                       -----------         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'sourcecode`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(code: &'sourcecode str) -> Scanner<'sourcecode> {
[INFO] [stdout]    |                                                  +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling test-generator v0.3.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gc.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |             if let Some(mut object) = self.objects[i].as_mut() {
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm.rs:275:29
[INFO] [stdout]     |
[INFO] [stdout] 275 |                         let mut subclass = self.gc.deref_mut(subclass);
[INFO] [stdout]     |                             ----^^^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/vm.rs:366:25
[INFO] [stdout]     |
[INFO] [stdout] 366 |                     let mut upvalue = self.gc.deref_mut(upvalue);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:80:43
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(code: &'sourcecode str) -> Scanner {
[INFO] [stdout]    |                       -----------         ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'sourcecode`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn new(code: &'sourcecode str) -> Scanner<'sourcecode> {
[INFO] [stdout]    |                                                  +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `Command { std: "docker" "inspect" "0be54b965c1bce4cdaf4bfbade37035e55594b2577d4e46ab255a7dfcea76b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be54b965c1bce4cdaf4bfbade37035e55594b2577d4e46ab255a7dfcea76b53", kill_on_drop: false }`
[INFO] [stdout] 0be54b965c1bce4cdaf4bfbade37035e55594b2577d4e46ab255a7dfcea76b53
