[INFO] fetching crate stacktrace 0.2.1...
[INFO] testing stacktrace-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stacktrace 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stacktrace 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stacktrace 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stacktrace 0.2.1
[INFO] tweaked toml for crates.io crate stacktrace 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] edad72bc7b0d9281f7c0144ade101b76cc6c7b9e635a7b41c3ff2226e05a0ffb
[INFO] running `Command { std: "docker" "start" "-a" "edad72bc7b0d9281f7c0144ade101b76cc6c7b9e635a7b41c3ff2226e05a0ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edad72bc7b0d9281f7c0144ade101b76cc6c7b9e635a7b41c3ff2226e05a0ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edad72bc7b0d9281f7c0144ade101b76cc6c7b9e635a7b41c3ff2226e05a0ffb", kill_on_drop: false }`
[INFO] [stdout] edad72bc7b0d9281f7c0144ade101b76cc6c7b9e635a7b41c3ff2226e05a0ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 7fceb3c3b00773f254f636405ae0240ac5b10c2bd9eab190b71010c2b3f83aa0
[INFO] running `Command { std: "docker" "start" "-a" "7fceb3c3b00773f254f636405ae0240ac5b10c2bd9eab190b71010c2b3f83aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling stacktrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "7fceb3c3b00773f254f636405ae0240ac5b10c2bd9eab190b71010c2b3f83aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fceb3c3b00773f254f636405ae0240ac5b10c2bd9eab190b71010c2b3f83aa0", kill_on_drop: false }`
[INFO] [stdout] 7fceb3c3b00773f254f636405ae0240ac5b10c2bd9eab190b71010c2b3f83aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 240c88a3895ac5b3d9b038ad78373edb8673ee998c52dd899beb5024eb27afd1
[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" "240c88a3895ac5b3d9b038ad78373edb8673ee998c52dd899beb5024eb27afd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacktrace v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> examples/simple/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | trace!();
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> examples/simple/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | trace!();
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> examples/simple/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | trace!();
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> examples/simple/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | trace!();
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/using_result/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / trace! {
[INFO] [stdout] 25 | |     ErrorX => ErrorY,
[INFO] [stdout] 26 | |     ErrorY => ErrorZ,
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/using_result/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / trace! {
[INFO] [stdout] 25 | |     ErrorX => ErrorY,
[INFO] [stdout] 26 | |     ErrorY => ErrorZ,
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/using_result/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / trace! {
[INFO] [stdout] 25 | |     ErrorX => ErrorY,
[INFO] [stdout] 26 | |     ErrorY => ErrorZ,
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/using_result/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / trace! {
[INFO] [stdout] 25 | |     ErrorX => ErrorY,
[INFO] [stdout] 26 | |     ErrorY => ErrorZ,
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/using_result/main.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let result = try!(test1(n));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/using_result/main.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let result = try!(test2(n));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "240c88a3895ac5b3d9b038ad78373edb8673ee998c52dd899beb5024eb27afd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "240c88a3895ac5b3d9b038ad78373edb8673ee998c52dd899beb5024eb27afd1", kill_on_drop: false }`
[INFO] [stdout] 240c88a3895ac5b3d9b038ad78373edb8673ee998c52dd899beb5024eb27afd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09c497b1fa1207b847dc1ad62a92e934f12af88224f0d072d69c0e7bc838d777
[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" "09c497b1fa1207b847dc1ad62a92e934f12af88224f0d072d69c0e7bc838d777", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]  --> examples/simple/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | trace!();
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]  --> examples/simple/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | trace!();
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]  --> examples/simple/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | trace!();
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]  --> examples/simple/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | trace!();
[INFO] [stderr]   | ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/using_result/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / trace! {
[INFO] [stderr] 25 | |     ErrorX => ErrorY,
[INFO] [stderr] 26 | |     ErrorY => ErrorZ,
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/using_result/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / trace! {
[INFO] [stderr] 25 | |     ErrorX => ErrorY,
[INFO] [stderr] 26 | |     ErrorY => ErrorZ,
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/using_result/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / trace! {
[INFO] [stderr] 25 | |     ErrorX => ErrorY,
[INFO] [stderr] 26 | |     ErrorY => ErrorZ,
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/using_result/main.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | / trace! {
[INFO] [stderr] 25 | |     ErrorX => ErrorY,
[INFO] [stderr] 26 | |     ErrorY => ErrorZ,
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/using_result/main.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let result = try!(test1(n));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/using_result/main.rs:45:18
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let result = try!(test2(n));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stacktrace-f3874a490842ca61
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stacktrace
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - trace (line 107) ... ok
[INFO] [stdout] test src/lib.rs - trace (line 137) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09c497b1fa1207b847dc1ad62a92e934f12af88224f0d072d69c0e7bc838d777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c497b1fa1207b847dc1ad62a92e934f12af88224f0d072d69c0e7bc838d777", kill_on_drop: false }`
[INFO] [stdout] 09c497b1fa1207b847dc1ad62a92e934f12af88224f0d072d69c0e7bc838d777