[INFO] cloning repository https://github.com/Machtan/mal-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Machtan/mal-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMachtan%2Fmal-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMachtan%2Fmal-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c797b7dde8e1db1a932bbcac10faa5d3b9f56e30
[INFO] checking Machtan/mal-rust against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMachtan%2Fmal-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Machtan/mal-rust on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Machtan/mal-rust
[INFO] finished tweaking git repo https://github.com/Machtan/mal-rust
[INFO] tweaked toml for git repo https://github.com/Machtan/mal-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Machtan/mal-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44371de40f8b4c1f6f8160ffd6757a79aad7be5775f9bdc4f452798917130e39
[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" "44371de40f8b4c1f6f8160ffd6757a79aad7be5775f9bdc4f452798917130e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44371de40f8b4c1f6f8160ffd6757a79aad7be5775f9bdc4f452798917130e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44371de40f8b4c1f6f8160ffd6757a79aad7be5775f9bdc4f452798917130e39", kill_on_drop: false }`
[INFO] [stdout] 44371de40f8b4c1f6f8160ffd6757a79aad7be5775f9bdc4f452798917130e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d29fa6e744f1f044d3f864c898b62e96183cbb278d355f453d0b3fd3c70b028
[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" "7d29fa6e744f1f044d3f864c898b62e96183cbb278d355f453d0b3fd3c70b028", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking mal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:288:25
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     '0' ... '9' => Mal::Num(ident.parse().chain_err(|| "Could not parse number")?),
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |         '0' ... '9' => Mal::Num(ident.parse().chain_err(|| "Could not parse number")?),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:288:25
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     '0' ... '9' => Mal::Num(ident.parse().chain_err(|| "Could not parse number")?),
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:295:13
[INFO] [stdout]     |
[INFO] [stdout] 295 |         '0' ... '9' => Mal::Num(ident.parse().chain_err(|| "Could not parse number")?),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/step4_if_fn_do.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ----- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 |     use ::std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/step4_if_fn_do.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ----- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 |     use ::std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/step1_read_print.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ----- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     use ::std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/step3_env.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ----- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 30 |     use ::std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/step1_read_print.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ----- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 25 |     use ::std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/step3_env.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | use std::io::{self, Write, BufRead};
[INFO] [stdout]    |                     ----- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 30 |     use ::std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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] [stdout] warning: 1 warning emitted
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.60s
[INFO] running `Command { std: "docker" "inspect" "7d29fa6e744f1f044d3f864c898b62e96183cbb278d355f453d0b3fd3c70b028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d29fa6e744f1f044d3f864c898b62e96183cbb278d355f453d0b3fd3c70b028", kill_on_drop: false }`
[INFO] [stdout] 7d29fa6e744f1f044d3f864c898b62e96183cbb278d355f453d0b3fd3c70b028