[INFO] fetching crate ribozyme 0.4.0...
[INFO] checking ribozyme-0.4.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate ribozyme 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ribozyme 0.4.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ribozyme 0.4.0
[INFO] finished tweaking crates.io crate ribozyme 0.4.0
[INFO] tweaked toml for crates.io crate ribozyme 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate ribozyme 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip-extensions v0.4.0
[INFO] [stderr]   Downloaded superfusion v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] ea732ef5b6196755c124761b1702a15d6130125fce29c2c258951fd280f47cb4
[INFO] running `Command { std: "docker" "start" "-a" "ea732ef5b6196755c124761b1702a15d6130125fce29c2c258951fd280f47cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea732ef5b6196755c124761b1702a15d6130125fce29c2c258951fd280f47cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea732ef5b6196755c124761b1702a15d6130125fce29c2c258951fd280f47cb4", kill_on_drop: false }`
[INFO] [stdout] ea732ef5b6196755c124761b1702a15d6130125fce29c2c258951fd280f47cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22dd54060fad927f011410136668eff6d550b9640457f17dffcab7347dcf3ff3
[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" "22dd54060fad927f011410136668eff6d550b9640457f17dffcab7347dcf3ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking zip-extensions v0.4.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking superfusion v0.1.4
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking ribozyme v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.15s
[INFO] running `Command { std: "docker" "inspect" "22dd54060fad927f011410136668eff6d550b9640457f17dffcab7347dcf3ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22dd54060fad927f011410136668eff6d550b9640457f17dffcab7347dcf3ff3", kill_on_drop: false }`
[INFO] [stdout] 22dd54060fad927f011410136668eff6d550b9640457f17dffcab7347dcf3ff3