[INFO] fetching crate cddl-cat 0.4.0...
[INFO] checking cddl-cat-0.4.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate cddl-cat 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cddl-cat 0.4.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cddl-cat 0.4.0
[INFO] finished tweaking crates.io crate cddl-cat 0.4.0
[INFO] tweaked toml for crates.io crate cddl-cat 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.3
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.3
[INFO] [stderr]   Downloaded ntest_timeout v0.7.3
[INFO] [stderr]   Downloaded escape8259 v0.5.0
[INFO] [stderr]   Downloaded ntest v0.7.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1c5c7fdbc0bd149b6a9f96f0512f169a181613c44e714cdc2d42218df11a33d
[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" "a1c5c7fdbc0bd149b6a9f96f0512f169a181613c44e714cdc2d42218df11a33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1c5c7fdbc0bd149b6a9f96f0512f169a181613c44e714cdc2d42218df11a33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c5c7fdbc0bd149b6a9f96f0512f169a181613c44e714cdc2d42218df11a33d", kill_on_drop: false }`
[INFO] [stdout] a1c5c7fdbc0bd149b6a9f96f0512f169a181613c44e714cdc2d42218df11a33d
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d56356879f587f9639409ef932ddebdc09eb0ea349adca29fdfe87fc33c990
[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" "b4d56356879f587f9639409ef932ddebdc09eb0ea349adca29fdfe87fc33c990", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking escape8259 v0.5.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking cddl-cat v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ntest_timeout v0.7.3
[INFO] [stderr]     Checking ntest v0.7.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.66s
[INFO] running `Command { std: "docker" "inspect" "b4d56356879f587f9639409ef932ddebdc09eb0ea349adca29fdfe87fc33c990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d56356879f587f9639409ef932ddebdc09eb0ea349adca29fdfe87fc33c990", kill_on_drop: false }`
[INFO] [stdout] b4d56356879f587f9639409ef932ddebdc09eb0ea349adca29fdfe87fc33c990