[INFO] fetching crate sea-canal 0.3.0...
[INFO] checking sea-canal-0.3.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate sea-canal 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sea-canal 0.3.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sea-canal 0.3.0
[INFO] finished tweaking crates.io crate sea-canal 0.3.0
[INFO] tweaked toml for crates.io crate sea-canal 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85c61791099c51c3a4c0a18e95ed8ed3a48197f5e4d269793451bd2a50b9043a
[INFO] running `"docker" "start" "-a" "85c61791099c51c3a4c0a18e95ed8ed3a48197f5e4d269793451bd2a50b9043a"`
[INFO] [stderr]     Checking sea-canal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/pattern.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/pattern.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             try!(write!(fmt, "{}", elem));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/pattern.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |                 try!(write!(fmt, ", "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/pattern.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             try!(write!(fmt, "{}", elem));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pattern.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pattern.rs:160:19
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pattern.rs:68:19
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]    |                   ----^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pattern.rs:160:19
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stderr]     |                   ----^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "85c61791099c51c3a4c0a18e95ed8ed3a48197f5e4d269793451bd2a50b9043a"`
[INFO] running `"docker" "rm" "-f" "85c61791099c51c3a4c0a18e95ed8ed3a48197f5e4d269793451bd2a50b9043a"`
[INFO] [stdout] 85c61791099c51c3a4c0a18e95ed8ed3a48197f5e4d269793451bd2a50b9043a