[INFO] cloning repository https://github.com/mattwparas/rucket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattwparas/rucket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51ad5b3c80834cf9c27321831fd393f994b833f4
[INFO] checking mattwparas/rucket against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattwparas%2Frucket" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattwparas/rucket on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattwparas/rucket
[INFO] finished tweaking git repo https://github.com/mattwparas/rucket
[INFO] tweaked toml for git repo https://github.com/mattwparas/rucket written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mattwparas/rucket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-compat v0.1.4
[INFO] [stderr]   Downloaded codespan-reporting v0.11.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", 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] 50479e29ba517660e69edd2e9cf6723fe12db41cdc60747908c2634341f7379a
[INFO] running `Command { std: "docker" "start" "-a" "50479e29ba517660e69edd2e9cf6723fe12db41cdc60747908c2634341f7379a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50479e29ba517660e69edd2e9cf6723fe12db41cdc60747908c2634341f7379a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50479e29ba517660e69edd2e9cf6723fe12db41cdc60747908c2634341f7379a", kill_on_drop: false }`
[INFO] [stdout] 50479e29ba517660e69edd2e9cf6723fe12db41cdc60747908c2634341f7379a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dbc87a47294a4b17f30697f7d5eb6d8df93e148cace3868d2275e54afb55888
[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" "9dbc87a47294a4b17f30697f7d5eb6d8df93e148cace3868d2275e54afb55888", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking codespan-reporting v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking async-compat v0.1.4
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling rustyline-derive v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking steel v0.1.0 (/opt/rustwide/workdir/steel)
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking steel_repl v0.1.0 (/opt/rustwide/workdir/steel_repl)
[INFO] [stderr]     Checking steel_derive v0.1.0 (/opt/rustwide/workdir/steel_derive)
[INFO] [stderr]     Checking steel_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 09s
[INFO] running `Command { std: "docker" "inspect" "9dbc87a47294a4b17f30697f7d5eb6d8df93e148cace3868d2275e54afb55888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbc87a47294a4b17f30697f7d5eb6d8df93e148cace3868d2275e54afb55888", kill_on_drop: false }`
[INFO] [stdout] 9dbc87a47294a4b17f30697f7d5eb6d8df93e148cace3868d2275e54afb55888