[INFO] fetching crate bosh_compiler 0.0.0...
[INFO] checking bosh_compiler-0.0.0 against beta for pr-78714
[INFO] extracting crate bosh_compiler 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bosh_compiler 0.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bosh_compiler 0.0.0
[INFO] finished tweaking crates.io crate bosh_compiler 0.0.0
[INFO] tweaked toml for crates.io crate bosh_compiler 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 7dbbc07ad9986c2353dffd2f5123a896291973e11886617dfe2780c371d78b94
[INFO] running `Command { std: "docker" "start" "-a" "7dbbc07ad9986c2353dffd2f5123a896291973e11886617dfe2780c371d78b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbbc07ad9986c2353dffd2f5123a896291973e11886617dfe2780c371d78b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbbc07ad9986c2353dffd2f5123a896291973e11886617dfe2780c371d78b94", kill_on_drop: false }`
[INFO] [stdout] 7dbbc07ad9986c2353dffd2f5123a896291973e11886617dfe2780c371d78b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 9b7c77833a679fe9a6b36e777f0e25a6be24327fe2b84b817e4e416eb6474afd
[INFO] running `Command { std: "docker" "start" "-a" "9b7c77833a679fe9a6b36e777f0e25a6be24327fe2b84b817e4e416eb6474afd", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking bosh_compiler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Costume`, `Target`
[INFO] [stdout]  --> src/compiler/mod.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use self::s3::{CompileResult, Project, Target, Costume, ProjectMetadata};
[INFO] [stdout]   |                                        ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/compiler/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Costume`, `Target`
[INFO] [stdout]  --> src/compiler/mod.rs:4:40
[INFO] [stdout]   |
[INFO] [stdout] 4 | use self::s3::{CompileResult, Project, Target, Costume, ProjectMetadata};
[INFO] [stdout]   |                                        ^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/compiler/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compiler/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut project = Project {
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/compiler/mod.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut project = Project {
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.97s
[INFO] running `Command { std: "docker" "inspect" "9b7c77833a679fe9a6b36e777f0e25a6be24327fe2b84b817e4e416eb6474afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7c77833a679fe9a6b36e777f0e25a6be24327fe2b84b817e4e416eb6474afd", kill_on_drop: false }`
[INFO] [stdout] 9b7c77833a679fe9a6b36e777f0e25a6be24327fe2b84b817e4e416eb6474afd