[INFO] fetching crate ruscii 0.4.0...
[INFO] checking ruscii-0.4.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate ruscii 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ruscii 0.4.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruscii 0.4.0
[INFO] finished tweaking crates.io crate ruscii 0.4.0
[INFO] tweaked toml for crates.io crate ruscii 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ruscii 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded signal-hook v0.3.15
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ce238cc0011b04e25530440523f255253d1f1175a57698c3e5dabf010c6c64a
[INFO] running `Command { std: "docker" "start" "-a" "7ce238cc0011b04e25530440523f255253d1f1175a57698c3e5dabf010c6c64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce238cc0011b04e25530440523f255253d1f1175a57698c3e5dabf010c6c64a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce238cc0011b04e25530440523f255253d1f1175a57698c3e5dabf010c6c64a", kill_on_drop: false }`
[INFO] [stdout] 7ce238cc0011b04e25530440523f255253d1f1175a57698c3e5dabf010c6c64a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d1a93133b3e40177178ec4a25a21718a9e3c2ce17da9dc7c03053fe7b730e2
[INFO] running `Command { std: "docker" "start" "-a" "f0d1a93133b3e40177178ec4a25a21718a9e3c2ce17da9dc7c03053fe7b730e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]    Compiling device_query v1.1.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking ruscii v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/drawing.rs:162:43
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl<'a> Pencil<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 161 |     /// Constructs a [`Pencil`] that can write to the given [`Canvas`].
[INFO] [stdout] 162 |     pub fn new(canvas: &'a mut Canvas) -> Pencil {
[INFO] [stdout]     |                                           ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/drawing.rs:162:43
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl<'a> Pencil<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 161 |     /// Constructs a [`Pencil`] that can write to the given [`Canvas`].
[INFO] [stdout] 162 |     pub fn new(canvas: &'a mut Canvas) -> Pencil {
[INFO] [stdout]     |                                           ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "f0d1a93133b3e40177178ec4a25a21718a9e3c2ce17da9dc7c03053fe7b730e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d1a93133b3e40177178ec4a25a21718a9e3c2ce17da9dc7c03053fe7b730e2", kill_on_drop: false }`
[INFO] [stdout] f0d1a93133b3e40177178ec4a25a21718a9e3c2ce17da9dc7c03053fe7b730e2