[INFO] fetching crate superviseur-drivers 0.1.0...
[INFO] checking superviseur-drivers-0.1.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate superviseur-drivers 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate superviseur-drivers 0.1.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate superviseur-drivers 0.1.0
[INFO] finished tweaking crates.io crate superviseur-drivers 0.1.0
[INFO] tweaked toml for crates.io crate superviseur-drivers 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinners v4.1.0
[INFO] [stderr]   Downloaded superviseur-log v0.1.0
[INFO] [stderr]   Downloaded bollard-buildkit-proto v0.1.0
[INFO] [stderr]   Downloaded actix_derive v0.6.0
[INFO] [stderr]   Downloaded actix-web-actors v4.2.0
[INFO] [stderr]   Downloaded actix v0.13.0
[INFO] [stderr]   Downloaded superviseur-provider v0.1.0
[INFO] [stderr]   Downloaded async-graphql-actix-web v5.0.10
[INFO] [stderr]   Downloaded bollard v0.14.0
[INFO] [stderr]   Downloaded bollard-stubs v1.42.0-rc.7
[INFO] [stderr]   Downloaded names v0.14.0
[INFO] [stderr]   Downloaded superviseur-util v0.1.0
[INFO] [stderr]   Downloaded superviseur-macros v0.1.0
[INFO] [stderr]   Downloaded superviseur-graphql v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3d76d7f18e6b0d573adeae629a1fe86c2cabffd84ed473dbba41f1d5978d751
[INFO] running `Command { std: "docker" "start" "-a" "a3d76d7f18e6b0d573adeae629a1fe86c2cabffd84ed473dbba41f1d5978d751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3d76d7f18e6b0d573adeae629a1fe86c2cabffd84ed473dbba41f1d5978d751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d76d7f18e6b0d573adeae629a1fe86c2cabffd84ed473dbba41f1d5978d751", kill_on_drop: false }`
[INFO] [stdout] a3d76d7f18e6b0d573adeae629a1fe86c2cabffd84ed473dbba41f1d5978d751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33a103f781ab88f5c07f0b8d698a4903ab4af2d297871c0d4f8cf9effcf5676a
[INFO] running `Command { std: "docker" "start" "-a" "33a103f781ab88f5c07f0b8d698a4903ab4af2d297871c0d4f8cf9effcf5676a", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/docker/mod.rs:30:14
[INFO] [stdout]     |
[INFO] [stdout] 30  |          let mut map = ::std::collections::HashMap::new();
[INFO] [stdout]     |              ----^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/docker/driver.rs:360:75
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 exposed_ports: Some(hashmap! { format!("{}/tcp", port) => hashmap! {} }),
[INFO] [stdout]     |                                                                           ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/docker/mod.rs:30:14
[INFO] [stdout]     |
[INFO] [stdout] 30  |          let mut map = ::std::collections::HashMap::new();
[INFO] [stdout]     |              ----^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/docker/driver.rs:360:75
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 exposed_ports: Some(hashmap! { format!("{}/tcp", port) => hashmap! {} }),
[INFO] [stdout]     |                                                                           ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `hashmap` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/devbox/driver.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let mut process = &mut processes
[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/devenv/driver.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let mut process = &mut processes
[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/devbox/driver.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let mut process = &mut processes
[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/docker/driver.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         let mut process = &mut processes
[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/devenv/driver.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let mut process = &mut processes
[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/exec/driver.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let mut process = &mut processes
[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/docker/driver.rs:427:13
[INFO] [stdout]     |
[INFO] [stdout] 427 |         let mut process = &mut processes
[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/flox/driver.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut process = &mut processes
[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/exec/driver.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let mut process = &mut processes
[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/nix/driver.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut process = &mut processes
[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/flox/driver.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |         let mut process = &mut processes
[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/nix/driver.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut process = &mut processes
[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/wasm/driver.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut process = &mut processes
[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/wasm/driver.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let mut process = &mut processes
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `childs` is never read
[INFO] [stdout]   --> src/docker/driver.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Driver {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     childs: Arc<Mutex<HashMap<String, i32>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Driver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `childs` is never read
[INFO] [stdout]   --> src/docker/driver.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct Driver {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 51 |     childs: Arc<Mutex<HashMap<String, i32>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Driver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/docker/driver.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         drop(process);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut superviseur_types::process::Process`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/docker/driver.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         drop(process);
[INFO] [stdout]     |         ^^^^^-------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut superviseur_types::process::Process`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "33a103f781ab88f5c07f0b8d698a4903ab4af2d297871c0d4f8cf9effcf5676a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a103f781ab88f5c07f0b8d698a4903ab4af2d297871c0d4f8cf9effcf5676a", kill_on_drop: false }`
[INFO] [stdout] 33a103f781ab88f5c07f0b8d698a4903ab4af2d297871c0d4f8cf9effcf5676a
