[INFO] updating cached repository https://github.com/favilo/tiger
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3786a56a2d135983059e655270ac2fba555aab8
[INFO] testing favilo/tiger against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Ftiger" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/favilo/tiger on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/favilo/tiger
[INFO] finished tweaking git repo https://github.com/favilo/tiger
[INFO] tweaked toml for git repo https://github.com/favilo/tiger written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/favilo/tiger already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e9ee07674332222191a3c5eb493d48e57421ea296469597e54663034b051024
[INFO] running `"docker" "start" "-a" "5e9ee07674332222191a3c5eb493d48e57421ea296469597e54663034b051024"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling simple_logger v1.5.0
[INFO] [stderr]    Compiling tiger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     io::{prelude::*, BufRead, BufReader},
[INFO] [stderr]   |                      ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/main.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lang::{parse_program, ParseError};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `char`, `many1`, `multispace0`
[INFO] [stderr]  --> src/lang.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 |     character::complete::{alpha1, char, digit1, multispace0, multispace1},
[INFO] [stderr]   |                                   ^^^^          ^^^^^^^^^^^
[INFO] [stderr] 5 |     combinator::all_consuming,
[INFO] [stderr] 6 |     multi::{many0, many1},
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/lang.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/lang.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Times`
[INFO] [stderr]   --> src/lang.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Times,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/lang.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Divide,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixOp`
[INFO] [stderr]   --> src/lang.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     InfixOp {
[INFO] [stderr] 37 | |         op_type: Op,
[INFO] [stderr] 38 | |         first: Box<Expression>,
[INFO] [stderr] 39 | |         second: Box<Expression>,
[INFO] [stderr] 40 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `"docker" "inspect" "5e9ee07674332222191a3c5eb493d48e57421ea296469597e54663034b051024"`
[INFO] running `"docker" "rm" "-f" "5e9ee07674332222191a3c5eb493d48e57421ea296469597e54663034b051024"`
[INFO] [stdout] 5e9ee07674332222191a3c5eb493d48e57421ea296469597e54663034b051024
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc81b943933472216be7bacd7a984fad805327d3c7a7a9bc52df7fb8258ff13b
[INFO] running `"docker" "start" "-a" "bc81b943933472216be7bacd7a984fad805327d3c7a7a9bc52df7fb8258ff13b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tiger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     io::{prelude::*, BufRead, BufReader},
[INFO] [stderr]   |                      ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/main.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lang::{parse_program, ParseError};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `char`, `many1`, `multispace0`
[INFO] [stderr]  --> src/lang.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 |     character::complete::{alpha1, char, digit1, multispace0, multispace1},
[INFO] [stderr]   |                                   ^^^^          ^^^^^^^^^^^
[INFO] [stderr] 5 |     combinator::all_consuming,
[INFO] [stderr] 6 |     multi::{many0, many1},
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/lang.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/lang.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Times`
[INFO] [stderr]   --> src/lang.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Times,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/lang.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Divide,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixOp`
[INFO] [stderr]   --> src/lang.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     InfixOp {
[INFO] [stderr] 37 | |         op_type: Op,
[INFO] [stderr] 38 | |         first: Box<Expression>,
[INFO] [stderr] 39 | |         second: Box<Expression>,
[INFO] [stderr] 40 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "bc81b943933472216be7bacd7a984fad805327d3c7a7a9bc52df7fb8258ff13b"`
[INFO] running `"docker" "rm" "-f" "bc81b943933472216be7bacd7a984fad805327d3c7a7a9bc52df7fb8258ff13b"`
[INFO] [stdout] bc81b943933472216be7bacd7a984fad805327d3c7a7a9bc52df7fb8258ff13b
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 513bbd20c9abde5cf1da221486719759d939136416e0e6154c530b00b1654a46
[INFO] running `"docker" "start" "-a" "513bbd20c9abde5cf1da221486719759d939136416e0e6154c530b00b1654a46"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     io::{prelude::*, BufRead, BufReader},
[INFO] [stderr]   |                      ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ParseError`
[INFO] [stderr]  --> src/main.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | use lang::{parse_program, ParseError};
[INFO] [stderr]   |                           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `char`, `many1`, `multispace0`
[INFO] [stderr]  --> src/lang.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 |     character::complete::{alpha1, char, digit1, multispace0, multispace1},
[INFO] [stderr]   |                                   ^^^^          ^^^^^^^^^^^
[INFO] [stderr] 5 |     combinator::all_consuming,
[INFO] [stderr] 6 |     multi::{many0, many1},
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/lang.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Plus,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/lang.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Minus,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Times`
[INFO] [stderr]   --> src/lang.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Times,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/lang.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Divide,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InfixOp`
[INFO] [stderr]   --> src/lang.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | /     InfixOp {
[INFO] [stderr] 37 | |         op_type: Op,
[INFO] [stderr] 38 | |         first: Box<Expression>,
[INFO] [stderr] 39 | |         second: Box<Expression>,
[INFO] [stderr] 40 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiger-134006966eab070c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lang::tests::test_hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "513bbd20c9abde5cf1da221486719759d939136416e0e6154c530b00b1654a46"`
[INFO] running `"docker" "rm" "-f" "513bbd20c9abde5cf1da221486719759d939136416e0e6154c530b00b1654a46"`
[INFO] [stdout] 513bbd20c9abde5cf1da221486719759d939136416e0e6154c530b00b1654a46