[INFO] fetching crate mktoc 2.2.1...
[INFO] checking mktoc-2.2.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate mktoc 2.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mktoc 2.2.1 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 crates.io crate mktoc 2.2.1
[INFO] finished tweaking crates.io crate mktoc 2.2.1
[INFO] tweaked toml for crates.io crate mktoc 2.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mktoc 2.2.1 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 781ef90d6fe041936d2a134dc9fcd1321f1015ad93c1e79783a9e33d9cece81d
[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" "781ef90d6fe041936d2a134dc9fcd1321f1015ad93c1e79783a9e33d9cece81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "781ef90d6fe041936d2a134dc9fcd1321f1015ad93c1e79783a9e33d9cece81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781ef90d6fe041936d2a134dc9fcd1321f1015ad93c1e79783a9e33d9cece81d", kill_on_drop: false }`
[INFO] [stdout] 781ef90d6fe041936d2a134dc9fcd1321f1015ad93c1e79783a9e33d9cece81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46e214c3f9491e58eca7f34526274a17ac9a64a1be9219b978317b679a3a9e0c
[INFO] running `Command { std: "docker" "start" "-a" "46e214c3f9491e58eca7f34526274a17ac9a64a1be9219b978317b679a3a9e0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking mktoc v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "46e214c3f9491e58eca7f34526274a17ac9a64a1be9219b978317b679a3a9e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e214c3f9491e58eca7f34526274a17ac9a64a1be9219b978317b679a3a9e0c", kill_on_drop: false }`
[INFO] [stdout] 46e214c3f9491e58eca7f34526274a17ac9a64a1be9219b978317b679a3a9e0c