[INFO] fetching crate tgrep 1.5.1...
[INFO] checking tgrep-1.5.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate tgrep 1.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tgrep 1.5.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tgrep 1.5.1
[INFO] finished tweaking crates.io crate tgrep 1.5.1
[INFO] tweaked toml for crates.io crate tgrep 1.5.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tgrep 1.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded memmap2 v0.2.1
[INFO] [stderr]   Downloaded path-clean v0.1.0
[INFO] [stderr]   Downloaded streaming-iterator v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1710abeb586ff72ef2a10d4c9b632cc12bd171de87da27fcedc41321a44f77a
[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" "d1710abeb586ff72ef2a10d4c9b632cc12bd171de87da27fcedc41321a44f77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1710abeb586ff72ef2a10d4c9b632cc12bd171de87da27fcedc41321a44f77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1710abeb586ff72ef2a10d4c9b632cc12bd171de87da27fcedc41321a44f77a", kill_on_drop: false }`
[INFO] [stdout] d1710abeb586ff72ef2a10d4c9b632cc12bd171de87da27fcedc41321a44f77a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f77a755cf1fa6c2fa622ae9828d3f7e0a04412752328045d2082f6f8ff3c039e
[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" "f77a755cf1fa6c2fa622ae9828d3f7e0a04412752328045d2082f6f8ff3c039e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking memmap2 v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking tgrep v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.13s
[INFO] running `Command { std: "docker" "inspect" "f77a755cf1fa6c2fa622ae9828d3f7e0a04412752328045d2082f6f8ff3c039e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77a755cf1fa6c2fa622ae9828d3f7e0a04412752328045d2082f6f8ff3c039e", kill_on_drop: false }`
[INFO] [stdout] f77a755cf1fa6c2fa622ae9828d3f7e0a04412752328045d2082f6f8ff3c039e