[INFO] cloning repository https://github.com/bowlofeggs/rpick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bowlofeggs/rpick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowlofeggs%2Frpick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowlofeggs%2Frpick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f6b7033e134b4d79b6c4e88b342e9efc5480b76
[INFO] checking bowlofeggs/rpick against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbowlofeggs%2Frpick" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bowlofeggs/rpick on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bowlofeggs/rpick
[INFO] finished tweaking git repo https://github.com/bowlofeggs/rpick
[INFO] tweaked toml for git repo https://github.com/bowlofeggs/rpick written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bowlofeggs/rpick already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.4
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded statrs v0.14.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fc810d8130c69ed8881b25855e074e870507f6809cc77a1a9a05e2972adb50d
[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" "8fc810d8130c69ed8881b25855e074e870507f6809cc77a1a9a05e2972adb50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fc810d8130c69ed8881b25855e074e870507f6809cc77a1a9a05e2972adb50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc810d8130c69ed8881b25855e074e870507f6809cc77a1a9a05e2972adb50d", kill_on_drop: false }`
[INFO] [stdout] 8fc810d8130c69ed8881b25855e074e870507f6809cc77a1a9a05e2972adb50d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93339b519c1f914480e768bbea464e963e56183cb8abeb8cc9cb77ac00ffce8
[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" "e93339b519c1f914480e768bbea464e963e56183cb8abeb8cc9cb77ac00ffce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking mockall v0.9.1
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking assert_cmd v1.0.4
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking statrs v0.14.0
[INFO] [stderr]     Checking rpick v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.00s
[INFO] running `Command { std: "docker" "inspect" "e93339b519c1f914480e768bbea464e963e56183cb8abeb8cc9cb77ac00ffce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93339b519c1f914480e768bbea464e963e56183cb8abeb8cc9cb77ac00ffce8", kill_on_drop: false }`
[INFO] [stdout] e93339b519c1f914480e768bbea464e963e56183cb8abeb8cc9cb77ac00ffce8