[INFO] fetching crate cargo-free 0.6.0...
[INFO] checking cargo-free-0.6.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate cargo-free 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-free 0.6.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-free 0.6.0
[INFO] finished tweaking crates.io crate cargo-free 0.6.0
[INFO] tweaked toml for crates.io crate cargo-free 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-free 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 4bea12083871e9be102944f824a0c872bbe6e666a6ab35d88fbbc03c10d504e1
[INFO] running `Command { std: "docker" "start" "-a" "4bea12083871e9be102944f824a0c872bbe6e666a6ab35d88fbbc03c10d504e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bea12083871e9be102944f824a0c872bbe6e666a6ab35d88fbbc03c10d504e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bea12083871e9be102944f824a0c872bbe6e666a6ab35d88fbbc03c10d504e1", kill_on_drop: false }`
[INFO] [stdout] 4bea12083871e9be102944f824a0c872bbe6e666a6ab35d88fbbc03c10d504e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 810a6968c52572645c09ad354a5874add7779e7741905fc43c6e580bc18dc871
[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" "810a6968c52572645c09ad354a5874add7779e7741905fc43c6e580bc18dc871", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling ansi-colors-macro v0.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking terminal-supports-emoji v0.1.3
[INFO] [stderr]     Checking terminal-emoji v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking terminal-log-symbols v0.1.6
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ureq v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]    Compiling terminal-spinner-data v0.1.2
[INFO] [stderr]     Checking terminal-spinners v0.3.1
[INFO] [stderr]     Checking cargo-free v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.81s
[INFO] running `Command { std: "docker" "inspect" "810a6968c52572645c09ad354a5874add7779e7741905fc43c6e580bc18dc871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810a6968c52572645c09ad354a5874add7779e7741905fc43c6e580bc18dc871", kill_on_drop: false }`
[INFO] [stdout] 810a6968c52572645c09ad354a5874add7779e7741905fc43c6e580bc18dc871