[INFO] cloning repository https://github.com/menoude/modif-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/menoude/modif-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenoude%2Fmodif-finder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenoude%2Fmodif-finder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3e241e6139dcfe828856f38b11fdfdcefc708b8
[INFO] checking menoude/modif-finder against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmenoude%2Fmodif-finder" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/menoude/modif-finder on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/menoude/modif-finder
[INFO] finished tweaking git repo https://github.com/menoude/modif-finder
[INFO] tweaked toml for git repo https://github.com/menoude/modif-finder written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/menoude/modif-finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1634385a330051a07ec2e24ad3abef7dabcaf300088b086f3da7891b64648dca
[INFO] running `Command { std: "docker" "start" "-a" "1634385a330051a07ec2e24ad3abef7dabcaf300088b086f3da7891b64648dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1634385a330051a07ec2e24ad3abef7dabcaf300088b086f3da7891b64648dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1634385a330051a07ec2e24ad3abef7dabcaf300088b086f3da7891b64648dca", kill_on_drop: false }`
[INFO] [stdout] 1634385a330051a07ec2e24ad3abef7dabcaf300088b086f3da7891b64648dca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7a6ba8bbafa1dbdc76602e8c960ce0e2166bcd1546c3d95d519543f88a186bf
[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" "c7a6ba8bbafa1dbdc76602e8c960ce0e2166bcd1546c3d95d519543f88a186bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]     Checking modif-finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::error::ModifError`
[INFO] [stdout]  --> src/check.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::ModifError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::ModifError`
[INFO] [stdout]  --> src/dependencies.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::ModifError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/dependencies.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use walkdir::{DirEntry, WalkDir};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::ModifError`
[INFO] [stdout]  --> src/check.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::ModifError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::ModifError`
[INFO] [stdout]  --> src/dependencies.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::error::ModifError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/dependencies.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use walkdir::{DirEntry, WalkDir};
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let map = dependencies::create_dep_map(&working_dir).unwrap_or_else(|e| {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modified_files`
[INFO] [stdout]   --> src/check.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_modified_packages(modified_files: Vec<&Path>) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modified_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_modified_packages`
[INFO] [stdout]   --> src/check.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_modified_packages(modified_files: Vec<&Path>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let map = dependencies::create_dep_map(&working_dir).unwrap_or_else(|e| {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modified_files`
[INFO] [stdout]   --> src/check.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_modified_packages(modified_files: Vec<&Path>) -> Result<()> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_modified_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_modified_packages`
[INFO] [stdout]   --> src/check.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_modified_packages(modified_files: Vec<&Path>) -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.65s
[INFO] running `Command { std: "docker" "inspect" "c7a6ba8bbafa1dbdc76602e8c960ce0e2166bcd1546c3d95d519543f88a186bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a6ba8bbafa1dbdc76602e8c960ce0e2166bcd1546c3d95d519543f88a186bf", kill_on_drop: false }`
[INFO] [stdout] c7a6ba8bbafa1dbdc76602e8c960ce0e2166bcd1546c3d95d519543f88a186bf