[INFO] cloning repository https://github.com/meganehouser/rustmatrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meganehouser/rustmatrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7139dacee7355bac8fd47b6612ec4401ee08ba05
[INFO] checking meganehouser/rustmatrix against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeganehouser%2Frustmatrix" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meganehouser/rustmatrix on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meganehouser/rustmatrix
[INFO] finished tweaking git repo https://github.com/meganehouser/rustmatrix
[INFO] tweaked toml for git repo https://github.com/meganehouser/rustmatrix written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/meganehouser/rustmatrix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xi-unicode v0.2.0
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded ident_case v1.0.1
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded arc-swap v0.4.3
[INFO] [stderr]   Downloaded cursive v0.13.0
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded proc-macro2 v1.0.5
[INFO] [stderr]   Downloaded darling_core v0.10.1
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded enumset_derive v0.4.3
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded term_size v0.3.1
[INFO] [stderr]   Downloaded rand v0.7.2
[INFO] [stderr]   Downloaded enum-map v0.6.1
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded darling_macro v0.10.1
[INFO] [stderr]   Downloaded enumset v0.4.4
[INFO] [stderr]   Downloaded enum-map-derive v0.4.3
[INFO] [stderr]   Downloaded array-macro v1.0.4
[INFO] [stderr]   Downloaded darling v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 175308f80a12a4f28f56eb7f9ac26f646d8154fd90d7f2a0378a48b1fe035b63
[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" "175308f80a12a4f28f56eb7f9ac26f646d8154fd90d7f2a0378a48b1fe035b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "175308f80a12a4f28f56eb7f9ac26f646d8154fd90d7f2a0378a48b1fe035b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "175308f80a12a4f28f56eb7f9ac26f646d8154fd90d7f2a0378a48b1fe035b63", kill_on_drop: false }`
[INFO] [stdout] 175308f80a12a4f28f56eb7f9ac26f646d8154fd90d7f2a0378a48b1fe035b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64e7eb2602f52faba960fb10b3dd1b1e3bb5cd70cec75919c45bb56e42d0683b
[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" "64e7eb2602f52faba960fb10b3dd1b1e3bb5cd70cec75919c45bb56e42d0683b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]    Compiling darling_macro v0.10.1
[INFO] [stderr]    Compiling darling v0.10.1
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking cursive v0.13.0
[INFO] [stderr]     Checking rustmatrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.88s
[INFO] running `Command { std: "docker" "inspect" "64e7eb2602f52faba960fb10b3dd1b1e3bb5cd70cec75919c45bb56e42d0683b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e7eb2602f52faba960fb10b3dd1b1e3bb5cd70cec75919c45bb56e42d0683b", kill_on_drop: false }`
[INFO] [stdout] 64e7eb2602f52faba960fb10b3dd1b1e3bb5cd70cec75919c45bb56e42d0683b