[INFO] fetching crate ger 0.2.0...
[INFO] checking ger-0.2.0 against beta for pr-78714
[INFO] extracting crate ger 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ger 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ger 0.2.0
[INFO] finished tweaking crates.io crate ger 0.2.0
[INFO] tweaked toml for crates.io crate ger 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d408ee5926c03872baedf3b49b33b9a8f80a0264ec0189c474d97e79e044dd5
[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" "0d408ee5926c03872baedf3b49b33b9a8f80a0264ec0189c474d97e79e044dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d408ee5926c03872baedf3b49b33b9a8f80a0264ec0189c474d97e79e044dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d408ee5926c03872baedf3b49b33b9a8f80a0264ec0189c474d97e79e044dd5", kill_on_drop: false }`
[INFO] [stdout] 0d408ee5926c03872baedf3b49b33b9a8f80a0264ec0189c474d97e79e044dd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c5696e93bf81fc18ff059bf59788815005e632d6483f60639a6ce103f8c20da6
[INFO] running `Command { std: "docker" "start" "-a" "c5696e93bf81fc18ff059bf59788815005e632d6483f60639a6ce103f8c20da6", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking ger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate serde_json;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attr`, `color`
[INFO] [stdout]  --> src/print.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{Attr, color};
[INFO] [stdout]   |            ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable`
[INFO] [stdout]  --> src/print.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prettytable;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable::cell::Cell`
[INFO] [stdout]  --> src/print.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prettytable::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Green`, `Red`
[INFO] [stdout]  --> src/print.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ansi_term::Colour::{Red, Green};
[INFO] [stdout]   |                         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub cmd: Box<Cmd>,
[INFO] [stdout]    |                  ^^^ help: use `dyn`: `dyn Cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use] extern crate serde_json;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Attr`, `color`
[INFO] [stdout]  --> src/print.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use term::{Attr, color};
[INFO] [stdout]   |            ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable`
[INFO] [stdout]  --> src/print.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use prettytable;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prettytable::cell::Cell`
[INFO] [stdout]  --> src/print.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use prettytable::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Green`, `Red`
[INFO] [stdout]  --> src/print.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ansi_term::Colour::{Red, Green};
[INFO] [stdout]   |                         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cmd.rs:52:18
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub cmd: Box<Cmd>,
[INFO] [stdout]    |                  ^^^ help: use `dyn`: `dyn Cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "c5696e93bf81fc18ff059bf59788815005e632d6483f60639a6ce103f8c20da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5696e93bf81fc18ff059bf59788815005e632d6483f60639a6ce103f8c20da6", kill_on_drop: false }`
[INFO] [stdout] c5696e93bf81fc18ff059bf59788815005e632d6483f60639a6ce103f8c20da6