[INFO] fetching crate tophat 0.3.0...
[INFO] checking tophat-0.3.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate tophat 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tophat 0.3.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tophat 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tophat 0.3.0
[INFO] tweaked toml for crates.io crate tophat 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate tophat 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded pem v0.8.2
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded cookie v0.14.3
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded simple_asn1 v0.4.1
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded path-tree v0.1.12
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded type-map v0.3.0
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded time v0.2.23
[INFO] [stderr]   Downloaded headers v0.3.2
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded ring v0.16.19
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d9b1d50232e0941fa717c3581112b9f46dc15fe18464962dbec20f620adef2e
[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" "9d9b1d50232e0941fa717c3581112b9f46dc15fe18464962dbec20f620adef2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d9b1d50232e0941fa717c3581112b9f46dc15fe18464962dbec20f620adef2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9b1d50232e0941fa717c3581112b9f46dc15fe18464962dbec20f620adef2e", kill_on_drop: false }`
[INFO] [stdout] 9d9b1d50232e0941fa717c3581112b9f46dc15fe18464962dbec20f620adef2e
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c778789bc0692aed9ca4d8a01c2b6e9e28e45a768bdc42b7945e4e1279d8d1
[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" "89c778789bc0692aed9ca4d8a01c2b6e9e28e45a768bdc42b7945e4e1279d8d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tophat v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "89c778789bc0692aed9ca4d8a01c2b6e9e28e45a768bdc42b7945e4e1279d8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c778789bc0692aed9ca4d8a01c2b6e9e28e45a768bdc42b7945e4e1279d8d1", kill_on_drop: false }`
[INFO] [stdout] 89c778789bc0692aed9ca4d8a01c2b6e9e28e45a768bdc42b7945e4e1279d8d1