[INFO] cloning repository https://github.com/passcod/ct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/passcod/ct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96ee5e41e97d4630be36404805570c411de5182f
[INFO] checking passcod/ct against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpasscod%2Fct" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/passcod/ct on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/passcod/ct
[INFO] finished tweaking git repo https://github.com/passcod/ct
[INFO] tweaked toml for git repo https://github.com/passcod/ct written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/passcod/ct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 184bb33e1663f87c46325d1f74bd08dd01531fa9d798584e2027893bf61c1c3a
[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" "184bb33e1663f87c46325d1f74bd08dd01531fa9d798584e2027893bf61c1c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184bb33e1663f87c46325d1f74bd08dd01531fa9d798584e2027893bf61c1c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184bb33e1663f87c46325d1f74bd08dd01531fa9d798584e2027893bf61c1c3a", kill_on_drop: false }`
[INFO] [stdout] 184bb33e1663f87c46325d1f74bd08dd01531fa9d798584e2027893bf61c1c3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 419cefc5d09dc77472bdc1ce72e99e4a1a9c2905bab89db7e4730bdb9dc901a3
[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" "419cefc5d09dc77472bdc1ce72e99e4a1a9c2905bab89db7e4730bdb9dc901a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking natord v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking iso8601 v0.1.1
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking datetime v0.4.7
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking zoneinfo_compiled v0.4.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling exa v0.9.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking ct v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "419cefc5d09dc77472bdc1ce72e99e4a1a9c2905bab89db7e4730bdb9dc901a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419cefc5d09dc77472bdc1ce72e99e4a1a9c2905bab89db7e4730bdb9dc901a3", kill_on_drop: false }`
[INFO] [stdout] 419cefc5d09dc77472bdc1ce72e99e4a1a9c2905bab89db7e4730bdb9dc901a3