[INFO] updating cached repository https://github.com/jabcross/yuck
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68a87a95cfd447c9455c0148d7e9cf75f364e4e
[INFO] testing jabcross/yuck against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjabcross%2Fyuck" "/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/jabcross/yuck on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jabcross/yuck
[INFO] finished tweaking git repo https://github.com/jabcross/yuck
[INFO] tweaked toml for git repo https://github.com/jabcross/yuck written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jabcross/yuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45b98c2c9da5e6677e3c134ee0165147d6a1519af165e6330332879c3b0e8c0f
[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" "45b98c2c9da5e6677e3c134ee0165147d6a1519af165e6330332879c3b0e8c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b98c2c9da5e6677e3c134ee0165147d6a1519af165e6330332879c3b0e8c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b98c2c9da5e6677e3c134ee0165147d6a1519af165e6330332879c3b0e8c0f", kill_on_drop: false }`
[INFO] [stdout] 45b98c2c9da5e6677e3c134ee0165147d6a1519af165e6330332879c3b0e8c0f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4126c26321211254e46d185eaa720aaf331c384e1986f0ba345d8468ea3d312
[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" "b4126c26321211254e46d185eaa720aaf331c384e1986f0ba345d8468ea3d312", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling yuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::*`
[INFO] [stdout]  --> src/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Match`
[INFO] [stdout]  --> src/lexer.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::{Regex, Match};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_id` is never read
[INFO] [stdout]   --> src/grammar.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut current_id = "";
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `row` is assigned to, but never used
[INFO] [stdout]   --> src/lexer.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut row = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_row` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `column` is assigned to, but never used
[INFO] [stdout]   --> src/lexer.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut column = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_column` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `offset` is assigned to, but never used
[INFO] [stdout]   --> src/lexer.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut offset = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_offset` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_as_tree`
[INFO] [stdout]   --> src/node.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn print_as_tree(&self, indent: usize) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pretty_print`
[INFO] [stdout]    --> src/grammar.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn pretty_print(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.05s
[INFO] running `Command { std: "docker" "inspect" "b4126c26321211254e46d185eaa720aaf331c384e1986f0ba345d8468ea3d312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4126c26321211254e46d185eaa720aaf331c384e1986f0ba345d8468ea3d312", kill_on_drop: false }`
[INFO] [stdout] b4126c26321211254e46d185eaa720aaf331c384e1986f0ba345d8468ea3d312
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13ed17c0729a28d15094ba36cee362705acb8d28cc26e39e33842c5fdd63b5f2
[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" "13ed17c0729a28d15094ba36cee362705acb8d28cc26e39e33842c5fdd63b5f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling yuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::*`
[INFO] [stdout]  --> src/node.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Match`
[INFO] [stdout]  --> src/lexer.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use regex::{Regex, Match};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_id` is never read
[INFO] [stdout]   --> src/grammar.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut current_id = "";
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `row` is assigned to, but never used
[INFO] [stdout]   --> src/lexer.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut row = 0;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_row` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `column` is assigned to, but never used
[INFO] [stdout]   --> src/lexer.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut column = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_column` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `offset` is assigned to, but never used
[INFO] [stdout]   --> src/lexer.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut offset = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_offset` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_as_tree`
[INFO] [stdout]   --> src/node.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn print_as_tree(&self, indent: usize) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pretty_print`
[INFO] [stdout]    --> src/grammar.rs:193:12
[INFO] [stdout]     |
[INFO] [stdout] 193 |     pub fn pretty_print(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "13ed17c0729a28d15094ba36cee362705acb8d28cc26e39e33842c5fdd63b5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ed17c0729a28d15094ba36cee362705acb8d28cc26e39e33842c5fdd63b5f2", kill_on_drop: false }`
[INFO] [stdout] 13ed17c0729a28d15094ba36cee362705acb8d28cc26e39e33842c5fdd63b5f2
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43d71f7b996d16932d919bff07194063a9ae36e1ba333f7c1c70f8d3524942e5
[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" "43d71f7b996d16932d919bff07194063a9ae36e1ba333f7c1c70f8d3524942e5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::lexer::*`
[INFO] [stderr]  --> src/node.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::lexer::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Match`
[INFO] [stderr]  --> src/lexer.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use regex::{Regex, Match};
[INFO] [stderr]   |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_id` is never read
[INFO] [stderr]   --> src/grammar.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut current_id = "";
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `row` is assigned to, but never used
[INFO] [stderr]   --> src/lexer.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut row = 0;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `column` is assigned to, but never used
[INFO] [stderr]   --> src/lexer.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let mut column = 0;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `offset` is assigned to, but never used
[INFO] [stderr]   --> src/lexer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut offset = 0;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_offset` instead
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_as_tree`
[INFO] [stderr]   --> src/node.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn print_as_tree(&self, indent: usize) -> String {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pretty_print`
[INFO] [stderr]    --> src/grammar.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn pretty_print(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yuck-0630fe6dbaf41f9a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "43d71f7b996d16932d919bff07194063a9ae36e1ba333f7c1c70f8d3524942e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d71f7b996d16932d919bff07194063a9ae36e1ba333f7c1c70f8d3524942e5", kill_on_drop: false }`
[INFO] [stdout] 43d71f7b996d16932d919bff07194063a9ae36e1ba333f7c1c70f8d3524942e5