[INFO] fetching crate acat 0.1.2...
[INFO] checking acat-0.1.2 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate acat 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate acat 0.1.2 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate acat 0.1.2
[INFO] finished tweaking crates.io crate acat 0.1.2
[INFO] tweaked toml for crates.io crate acat 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate acat 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba0df0e72e76d65b464add6e51befbe0abf34bef4cddc7dfd8a149ee671a64f
[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" "cba0df0e72e76d65b464add6e51befbe0abf34bef4cddc7dfd8a149ee671a64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba0df0e72e76d65b464add6e51befbe0abf34bef4cddc7dfd8a149ee671a64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba0df0e72e76d65b464add6e51befbe0abf34bef4cddc7dfd8a149ee671a64f", kill_on_drop: false }`
[INFO] [stdout] cba0df0e72e76d65b464add6e51befbe0abf34bef4cddc7dfd8a149ee671a64f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5372c858903b8d53c89955dbf58331338b4a2b3ad855f4b7f298167272ff22e0
[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" "5372c858903b8d53c89955dbf58331338b4a2b3ad855f4b7f298167272ff22e0", 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]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking random_color v0.4.4
[INFO] [stderr]     Checking acat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AppSettings`, `ArgGroup`, `SubCommand`
[INFO] [stdout]  --> src/clap_app.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate_authors, crate_name, crate_version, App as ClapApp, AppSettings, Arg, ArgGroup,
[INFO] [stdout]   |                                                               ^^^^^^^^^^^       ^^^^^^^^
[INFO] [stdout] 3 |     SubCommand,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AppSettings`, `ArgGroup`, `SubCommand`
[INFO] [stdout]  --> src/clap_app.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 |     crate_authors, crate_name, crate_version, App as ClapApp, AppSettings, Arg, ArgGroup,
[INFO] [stdout]   |                                                               ^^^^^^^^^^^       ^^^^^^^^
[INFO] [stdout] 3 |     SubCommand,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `Command { std: "docker" "inspect" "5372c858903b8d53c89955dbf58331338b4a2b3ad855f4b7f298167272ff22e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5372c858903b8d53c89955dbf58331338b4a2b3ad855f4b7f298167272ff22e0", kill_on_drop: false }`
[INFO] [stdout] 5372c858903b8d53c89955dbf58331338b4a2b3ad855f4b7f298167272ff22e0