[INFO] cloning repository https://github.com/graders-rs/graders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/graders-rs/graders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraders-rs%2Fgraders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraders-rs%2Fgraders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f3c6fc65b8c7b5a3cd9a3dc89d4f80b4a63c988
[INFO] checking graders-rs/graders against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgraders-rs%2Fgraders" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/graders-rs/graders on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/graders-rs/graders
[INFO] finished tweaking git repo https://github.com/graders-rs/graders
[INFO] tweaked toml for git repo https://github.com/graders-rs/graders written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/graders-rs/graders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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 amq-protocol-uri v6.0.2
[INFO] [stderr]   Downloaded amq-protocol-tcp v6.0.2
[INFO] [stderr]   Downloaded git2 v0.13.15
[INFO] [stderr]   Downloaded pinky-swear v4.4.0
[INFO] [stderr]   Downloaded cookie-factory v0.3.1
[INFO] [stderr]   Downloaded tcp-stream v0.20.6
[INFO] [stderr]   Downloaded amq-protocol v6.0.2
[INFO] [stderr]   Downloaded libgit2-sys v0.12.17+1.1.0
[INFO] [stderr]   Downloaded lapin v1.6.6
[INFO] [stderr]   Downloaded amq-protocol-types v6.0.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.3
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded tokio-stream v0.1.1
[INFO] [stderr]   Downloaded tokio-util v0.6.0
[INFO] [stderr]   Downloaded pin-project v1.0.3
[INFO] [stderr]   Downloaded pin-project-lite v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f7c42db1939a6154442b33753bae81f55258f07c832ea106a62b8908d0bc94
[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" "46f7c42db1939a6154442b33753bae81f55258f07c832ea106a62b8908d0bc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f7c42db1939a6154442b33753bae81f55258f07c832ea106a62b8908d0bc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f7c42db1939a6154442b33753bae81f55258f07c832ea106a62b8908d0bc94", kill_on_drop: false }`
[INFO] [stdout] 46f7c42db1939a6154442b33753bae81f55258f07c832ea106a62b8908d0bc94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4f9a576b55f772e06bc36af5fad3563dd3cf866b014e070474f1eba54dbd4f
[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" "ff4f9a576b55f772e06bc36af5fad3563dd3cf866b014e070474f1eba54dbd4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]    Compiling amq-protocol v6.0.2
[INFO] [stderr]     Checking cookie-factory v0.3.1
[INFO] [stderr]    Compiling lapin v1.6.6
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking encoding_rs v0.8.26
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.12.17+1.1.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking pinky-swear v4.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tcp-stream v0.20.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking pin-project v1.0.3
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-stream v0.1.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.0
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking amq-protocol-uri v6.0.2
[INFO] [stderr]     Checking git2 v0.13.15
[INFO] [stderr]     Checking amq-protocol-tcp v6.0.2
[INFO] [stderr]     Checking amq-protocol-types v6.0.2
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking amqp-utils v0.1.0 (/opt/rustwide/workdir/amqp-utils)
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]     Checking graders-utils v0.1.0 (/opt/rustwide/workdir/graders-utils)
[INFO] [stderr]     Checking builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]     Checking amqp-to-test v0.1.0 (/opt/rustwide/workdir/amqp-to-test)
[INFO] [stderr]     Checking gitlab-to-amqp v0.1.0 (/opt/rustwide/workdir/gitlab-to-amqp)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "ff4f9a576b55f772e06bc36af5fad3563dd3cf866b014e070474f1eba54dbd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4f9a576b55f772e06bc36af5fad3563dd3cf866b014e070474f1eba54dbd4f", kill_on_drop: false }`
[INFO] [stdout] ff4f9a576b55f772e06bc36af5fad3563dd3cf866b014e070474f1eba54dbd4f