[INFO] cloning repository https://github.com/Fredilein/grit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fredilein/grit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredilein%2Fgrit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredilein%2Fgrit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2a3e0d222989801223085a355d89eb2b6b515e3
[INFO] checking Fredilein/grit against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredilein%2Fgrit" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fredilein/grit on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fredilein/grit
[INFO] finished tweaking git repo https://github.com/Fredilein/grit
[INFO] tweaked toml for git repo https://github.com/Fredilein/grit written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Fredilein/grit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3765fb77207ac0877b8859be31bbaa9443393077e7e088aad54aed04766c8ec5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3765fb77207ac0877b8859be31bbaa9443393077e7e088aad54aed04766c8ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3765fb77207ac0877b8859be31bbaa9443393077e7e088aad54aed04766c8ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3765fb77207ac0877b8859be31bbaa9443393077e7e088aad54aed04766c8ec5", kill_on_drop: false }`
[INFO] [stdout] 3765fb77207ac0877b8859be31bbaa9443393077e7e088aad54aed04766c8ec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206bbe00b2f45cdd1ed5d0860a1dc37e67e377cad76ee5f03bbb0e4c8086bdc0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "206bbe00b2f45cdd1ed5d0860a1dc37e67e377cad76ee5f03bbb0e4c8086bdc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking grit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ini::Ini`
[INFO] [stdout]  --> src/repo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ini::Ini;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ini::Ini`
[INFO] [stdout]  --> src/repo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ini::Ini;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `type_end` is assigned to, but never used
[INFO] [stdout]   --> src/object.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut type_end = 0;                       // tut: x
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_type_end` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `size_end` is never read
[INFO] [stdout]   --> src/object.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut size_end = 0;                       // tut: y
[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 `size` is never read
[INFO] [stdout]   --> src/object.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut size = 0;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `type_end` is never read
[INFO] [stdout]   --> src/object.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             type_end = i;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/object.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn object_write<T: Object>(object: T, actually_write: bool){
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actually_write`
[INFO] [stdout]   --> src/object.rs:75:39
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn object_write<T: Object>(object: T, actually_write: bool){
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actually_write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/object.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn object_find<'a>(repo: &GitRepository, name: &'a str) -> &'a str {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/repo.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn repo_create(repo :&GitRepository, path: &String) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `object_write`
[INFO] [stdout]   --> src/object.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn object_write<T: Object>(object: T, actually_write: bool){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `object_find`
[INFO] [stdout]   --> src/object.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn object_find<'a>(repo: &GitRepository, name: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `type_end` is assigned to, but never used
[INFO] [stdout]   --> src/object.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let mut type_end = 0;                       // tut: x
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_type_end` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `size_end` is never read
[INFO] [stdout]   --> src/object.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut size_end = 0;                       // tut: y
[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 `size` is never read
[INFO] [stdout]   --> src/object.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut size = 0;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `type_end` is never read
[INFO] [stdout]   --> src/object.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             type_end = i;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/object.rs:75:28
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn object_write<T: Object>(object: T, actually_write: bool){
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actually_write`
[INFO] [stdout]   --> src/object.rs:75:39
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn object_write<T: Object>(object: T, actually_write: bool){
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actually_write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `repo`
[INFO] [stdout]   --> src/object.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn object_find<'a>(repo: &GitRepository, name: &'a str) -> &'a str {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_repo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/repo.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn repo_create(repo :&GitRepository, path: &String) {
[INFO] [stdout]    |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `object_write`
[INFO] [stdout]   --> src/object.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn object_write<T: Object>(object: T, actually_write: bool){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `object_find`
[INFO] [stdout]   --> src/object.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn object_find<'a>(repo: &GitRepository, name: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "206bbe00b2f45cdd1ed5d0860a1dc37e67e377cad76ee5f03bbb0e4c8086bdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206bbe00b2f45cdd1ed5d0860a1dc37e67e377cad76ee5f03bbb0e4c8086bdc0", kill_on_drop: false }`
[INFO] [stdout] 206bbe00b2f45cdd1ed5d0860a1dc37e67e377cad76ee5f03bbb0e4c8086bdc0