[INFO] fetching crate sea-canal 0.3.0...
[INFO] testing sea-canal-0.3.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate sea-canal 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sea-canal 0.3.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2c38fbffdc0d01aa7ddd5c7a3b5922ed0f0c378b67fae4b4664be28122c51c1
[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" "f2c38fbffdc0d01aa7ddd5c7a3b5922ed0f0c378b67fae4b4664be28122c51c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2c38fbffdc0d01aa7ddd5c7a3b5922ed0f0c378b67fae4b4664be28122c51c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c38fbffdc0d01aa7ddd5c7a3b5922ed0f0c378b67fae4b4664be28122c51c1", kill_on_drop: false }`
[INFO] [stdout] f2c38fbffdc0d01aa7ddd5c7a3b5922ed0f0c378b67fae4b4664be28122c51c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61aa4472fae180e59368a99364ffa081ff256867c795773431d57a397e37c8ea
[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" "61aa4472fae180e59368a99364ffa081ff256867c795773431d57a397e37c8ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling sea-canal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/pattern.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/pattern.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             try!(write!(fmt, "{}", elem));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pattern.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pattern.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stdout]     |                   ----^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "61aa4472fae180e59368a99364ffa081ff256867c795773431d57a397e37c8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61aa4472fae180e59368a99364ffa081ff256867c795773431d57a397e37c8ea", kill_on_drop: false }`
[INFO] [stdout] 61aa4472fae180e59368a99364ffa081ff256867c795773431d57a397e37c8ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--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] 4579e9aa82cf263e8b379b78931c5867c82d4bc84668bfe9e691f1a7350d439c
[INFO] running `Command { std: "docker" "start" "-a" "4579e9aa82cf263e8b379b78931c5867c82d4bc84668bfe9e691f1a7350d439c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sea-canal v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/pattern.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/pattern.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             try!(write!(fmt, "{}", elem));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pattern.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pattern.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stdout]     |                   ----^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/pattern.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 try!(write!(fmt, ", "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/pattern.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |             try!(write!(fmt, "{}", elem));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pattern.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pattern.rs:160:19
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn fmt(&self, mut fmt: &mut Formatter) -> Result<(), Error> {
[INFO] [stdout]     |                   ----^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "4579e9aa82cf263e8b379b78931c5867c82d4bc84668bfe9e691f1a7350d439c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4579e9aa82cf263e8b379b78931c5867c82d4bc84668bfe9e691f1a7350d439c", kill_on_drop: false }`
[INFO] [stdout] 4579e9aa82cf263e8b379b78931c5867c82d4bc84668bfe9e691f1a7350d439c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", 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] 247a8b036775c754953e14fdb63fc6c4a276e2d340323c48357bbe7a448db0dd
[INFO] running `Command { std: "docker" "start" "-a" "247a8b036775c754953e14fdb63fc6c4a276e2d340323c48357bbe7a448db0dd", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `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 macro `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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 macro `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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sea_canal-95efe403801e8295
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test pattern::tests::fmt_pat_elem_const ... ok
[INFO] [stdout] test pattern::tests::fmt_pat ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_cube_root ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_square_root ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_div ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_cube ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_minus ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_square ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_mod ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_mult ... ok
[INFO] [stdout] test pattern::tests::fmt_pat_elem_plus ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/scnl-234b52d52be99aba
[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] [stderr]      Running /opt/rustwide/target/debug/deps/lib-bc4a69b6ecc7d5bf
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test meta::meta_find_any_pattern ... ok
[INFO] [stdout] test standard::find_any_pattern_of_length ... ok
[INFO] [stdout] test standard::find_any_pattern ... ok
[INFO] [stdout] test custom::find_any_pattern ... ok
[INFO] [stdout] test meta::meta_find_patterns_of_length ... ok
[INFO] [stdout] test standard::find_patterns ... ok
[INFO] [stdout] test standard::find_patterns_of_length ... ok
[INFO] [stdout] test meta::mixed_operand_meta_pattern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sea-canal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/pattern.rs - pattern::Pattern::extend_each (line 132) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "247a8b036775c754953e14fdb63fc6c4a276e2d340323c48357bbe7a448db0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247a8b036775c754953e14fdb63fc6c4a276e2d340323c48357bbe7a448db0dd", kill_on_drop: false }`
[INFO] [stdout] 247a8b036775c754953e14fdb63fc6c4a276e2d340323c48357bbe7a448db0dd
