[INFO] fetching crate oakc 0.6.1...
[INFO] checking oakc-0.6.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate oakc 0.6.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate oakc 0.6.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oakc 0.6.1
[INFO] finished tweaking crates.io crate oakc 0.6.1
[INFO] tweaked toml for crates.io crate oakc 0.6.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate oakc 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asciicolor v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98f8c1d254dc24b1589648b31b75da88f652b9fef665dc11735c969a1ece065e
[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" "98f8c1d254dc24b1589648b31b75da88f652b9fef665dc11735c969a1ece065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98f8c1d254dc24b1589648b31b75da88f652b9fef665dc11735c969a1ece065e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f8c1d254dc24b1589648b31b75da88f652b9fef665dc11735c969a1ece065e", kill_on_drop: false }`
[INFO] [stdout] 98f8c1d254dc24b1589648b31b75da88f652b9fef665dc11735c969a1ece065e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5626999b541413f734e9bcc48f9cc968fce44f1a185c546a3490e3ba175930d5
[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" "5626999b541413f734e9bcc48f9cc968fce44f1a185c546a3490e3ba175930d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking asciicolor v0.1.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking minimad v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking ascii-canvas v2.0.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking lalrpop-util v0.19.0
[INFO] [stderr]     Checking comment-strip v0.1.3
[INFO] [stderr]     Checking comment v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking termimad v0.8.25
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking lalrpop v0.19.0
[INFO] [stderr]    Compiling oakc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "5626999b541413f734e9bcc48f9cc968fce44f1a185c546a3490e3ba175930d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5626999b541413f734e9bcc48f9cc968fce44f1a185c546a3490e3ba175930d5", kill_on_drop: false }`
[INFO] [stdout] 5626999b541413f734e9bcc48f9cc968fce44f1a185c546a3490e3ba175930d5